{"id":1015,"date":"2024-07-03T09:40:26","date_gmt":"2024-07-03T01:40:26","guid":{"rendered":"https:\/\/blog.nonot.cn\/?p=1015"},"modified":"2024-07-08T13:04:20","modified_gmt":"2024-07-08T05:04:20","slug":"sql%e6%b3%a8%e5%85%a5%e8%af%a6%e7%bb%86%e8%ae%b2%e8%a7%a3%e6%a6%82%e6%8b%ac-get%e6%b3%a8%e5%85%a5%e3%80%81post%e6%b3%a8%e5%85%a5%e3%80%81head%e6%b3%a8%e5%85%a5","status":"publish","type":"post","link":"https:\/\/blog.nonot.cn\/index.php\/2024\/07\/03\/sql%e6%b3%a8%e5%85%a5%e8%af%a6%e7%bb%86%e8%ae%b2%e8%a7%a3%e6%a6%82%e6%8b%ac-get%e6%b3%a8%e5%85%a5%e3%80%81post%e6%b3%a8%e5%85%a5%e3%80%81head%e6%b3%a8%e5%85%a5\/","title":{"rendered":"SQL\u6ce8\u5165\u8be6\u7ec6\u8bb2\u89e3\u6982\u62ec-GET\u6ce8\u5165\u3001POST\u6ce8\u5165\u3001HEAD\u6ce8\u5165"},"content":{"rendered":"

SQL\u6ce8\u5165\u8be6\u7ec6\u8bb2\u89e3\u6982\u62ec-GET\u6ce8\u5165\u3001POST\u6ce8\u5165\u3001HEAD\u6ce8\u5165<\/strong><\/p>\n

1\u3001SQL\u6ce8\u5165\u6d41\u7a0b<\/strong><\/p>\n

2\u3001GET\u6ce8\u5165<\/strong><\/p>\n

3\u3001POST\u6ce8\u5165<\/strong><\/p>\n

4\u3001HEAD\u6ce8\u5165<\/strong><\/p>\n

\n

\u4e00\u3001SQL\u6ce8\u5165\u6d41\u7a0b<\/strong><\/p>\n

\u3000\u30001\u3001SQL\u6ce8\u5165\u6d41\u7a0b<\/strong><\/p>\n

\u3000\u3000\u00b7 \u5bfb\u627e\u6ce8\u5165\u70b9\u2014\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u7684\u5730\u65b9\uff0c\u6bd4\u5982\u767b\u5f55\u6846\uff0c\u641c\u7d22\u6846\u3001URL\u5730\u5740\u680f\u3001\u767b\u9646\u754c\u9762\u3001\u7559\u8a00\u677f\u7b49\u7b49<\/strong><\/p>\n

\u3000\u3000\u00b7 \u5224\u65ad\u662f\u5426\u5b58\u5728\u6ce8\u5165\u70b9\uff0c\u5224\u65ad\u6570\u636e\u5e93\u7c7b\u578b\uff0c\u786e\u5b9a\u6ce8\u5165\u65b9\u6cd5<\/strong><\/p>\n

\u3000\u3000\u00b7 \u6784\u9020\u7279\u6b8a\u8bed\u53e5\uff0c\u67e5\u8be2\u6570\u636e\u5e93\u6570\u636e<\/strong><\/p>\n

\u4e8c\u3001GET\u6ce8\u5165<\/strong><\/p>\n

\u3000\u30001\u3001What is GET\u6ce8\u5165<\/strong><\/p>\n

\u3000\u3000\u8981\u641e\u61c2GET\u6ce8\u5165\u4e4b\u524d\uff0c\u5148\u641e\u61c2\u4ec0\u4e48\u662fGET\u4f20\u53c2\u3002<\/strong><\/p>\n

\u3000\u3000GET\u4f20\u53c2\uff1a\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u53c2\u6570\u4f1a\u88ab\u4f20\u5230\u5730\u5740\u680f\uff08URL\u680f\uff09\uff0c\u662f\u901a\u8fc7GET\u7684\u65b9\u5f0f\u8fdb\u884c\u4f20\u53c2<\/strong><\/p>\n

\u3000\u3000\u00b7 \u7279\u70b9\uff1a\u4f20\u53c2\u5185\u5bb9\u53ef\u89c1\uff0c\u4f20\u53c2\u957f\u5ea6\u6709\u9650\uff0c\u6807\u8bc6\u201c\uff1f\u201d\uff0c\u8f93\u5165\u7684\u5185\u5bb9\u4f1a\u53ef\u80fd\u88aburl\u7f16\u7801<\/strong><\/p>\n

\u3000\u3000GET\u6ce8\u5165\uff1a\u901a\u8fc7GET\u4f20\u53c2\u7684\u65b9\u5f0f\uff0c\u4f20\u8f93\u6076\u610f\u8bed\u53e5\uff0c\u8fdb\u884cSQL\u6ce8\u5165<\/strong><\/p>\n

\u3000\u3000\"2204804-20211210231651347-775676692\"<\/strong><\/p>\n

2\u3001\u5982\u4f55\u8fdb\u884cGET\u6ce8\u5165<\/strong><\/p>\n

\u3000\u3000\u4e00\u822c\u60c5\u51b5\u5224\u65ad\u4e3a\u4f20\u53c2\u65b9\u5f0f\u4e3aGET\u4f20\u53c2\u65b9\u5f0f\uff0c\u9996\u5148\u8fdb\u884cGET\u6ce8\u5165\u6d4b\u8bd5\uff0c\u5224\u65ad\u662f\u5426\u5b58\u5728GET\u6ce8\u5165
\n<\/strong><\/p>\n

\u3000\u3000\u5982\u4f55\u5224\u65ad\u662f\u5426\u5b58\u5728GET\u6ce8\u5165\uff1a\u8981\u60f3\u77e5\u9053\u662f\u5426\u5b58\u5728\uff0c\u9996\u5148\u641e\u539f\u7406\uff0c\u5f04\u6e05\u695a\u662f\u5982\u4f55\u53d1\u751f\u7684<\/strong><\/p>\n

\u3000\u3000\u7b80\u5355\u8bf4\uff0c\u539f\u672c\u7a0b\u5e8f\u8981\u6267\u884c\u7684\u4ee3\u7801\u62fc\u63a5\u4e86\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u7136\u540e\u6267\u884c\uff0c\u5c31\u662f\u672c\u6765\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u662f\u8981\u88ab\u67e5\u8be2\u7684\uff0c\u4f46\u662f\u88ab\u6570\u636e\u5e93\u5f53\u4f5c\u4ee3\u7801\u6267\u884c<\/strong><\/p>\n

\u3000\u3000OK\uff0cAND\uff0c\u53ea\u9700\u77e5\u9053\u8f93\u5165\u7684\u6570\u636e\u6709\u6ca1\u6709\u88ab\u6570\u636e\u5e93\u5f53\u4f5c\u4ee3\u7801\uff0c\u53ef\u4ee5\u5224\u65ad\u5b58\u4e0d\u5b58\u5728\u6ce8\u5165\u70b9<\/strong><\/p>\n

\u3000\u3000AND\uff0c\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u4e00\u5b9a\u4e0d\u662f\u8f93\u5165everying\u90fd\u884c\u7684\uff0c\u5982\u679c\u7528\u6237\u968f\u4fbf\u8f93\u5165\u7684\u6570\u636e\u90fd\u88ab\u5f53\u505a\u4ee3\u7801\u6267\u884c\uff0c\u90a3\u4e48\u8fd9\u4e2a\u7f51\u7ad9\u5c31\u5931\u53bb\u4e86\u5b83\u7684\u529f\u80fd\uff0c\u8fd9\u662f\u7f51\u7ad9\u5f00\u53d1\u8005\u4e0d\u5141\u8bb8\u7684<\/strong><\/p>\n

\u3000\u3000SO\uff0c\u8981\u8f93\u5165\u4ec0\u4e48\u6570\u636e\u624d\u80fd\u88ab\u5224\u65ad\u662f\u5426\u5b58\u5728\u6ce8\u5165\u70b9\u5462<\/strong><\/p>\n

\u3000\u3000\u5148\u6765\u770b\u4e00\u6bb5\u4ee3\u7801<\/strong>\u3000<\/strong><\/p>\n

\n
\n
\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
6<\/div>\n
7<\/div>\n
8<\/div>\n
9<\/div>\n
10<\/div>\n
11<\/div>\n
12<\/div>\n
13<\/div>\n
14<\/div>\n
15<\/div>\n
16<\/div>\n
17<\/div>\n
18<\/div>\n
19<\/div>\n<\/td>\n
\n
\n
$query\u00a0 =\u00a0<\/code>\"SELECT first_name, last_name FROM users WHERE user_id = $id<\/code><\/div>\n
<\/div>\n
\u7528\u6237\u8f93\u5165\u53c2\u6570\u4f20\u5165$id\u00a0<\/code><\/div>\n
<\/div>\n
\u6765\u8f93\u51651\u00a0 >>>>\u00a0 $id=1\u00a0\u00a0\u00a0 >>> sql\u8bed\u53e5\u5c31\u53d8\u6210\u4e86\u4e0b\u9762\u8fd9\u6837<\/code><\/div>\n
$query\u00a0 = \"<\/code>SELECT<\/code>\u00a0first_name, last_name\u00a0<\/code>FROM<\/code>\u00a0users\u00a0<\/code>WHERE<\/code>\u00a0user_id = 1<\/code><\/div>\n
<\/div>\n
ok\uff0clook look \u73b0\u5728\u6570\u636e\u5e93\u6536\u5230\u7684\u6570\u636e\u662f\u8fd9\u6837\u7684\uff0c\uff0c<\/code><\/div>\n
SELECT<\/code>\u00a0first_name, last_name\u00a0<\/code>FROM<\/code>\u00a0users\u00a0<\/code>WHERE<\/code>\u00a0user_id = 1<\/code><\/div>\n
<\/div>\n
AND<\/code>\uff0c\u8f93\u5165\u4ec0\u4e48\u80fd\u591f\u8ba9\u6570\u636e\u5e93\u6267\u884c\u4e00\u4e9b\u522b\u7684\u64cd\u4f5c<\/code><\/div>\n
\u601d\u8003ing\u00a0<\/code>time<\/code>\uff083min\uff09<\/code><\/div>\n
<\/div>\n
\u5f53\u7136\u662f\u6570\u636e\u5e93\u8bed\u8a00\u4e86\uff0c\uff0c\uff0c\u8bd5\u4e00\u8bd5\u00a0\u00a0<\/code>or<\/code>\u00a0\u00a0\u600e\u4e48\u6837<\/code><\/div>\n
ok\uff0c\uff0c >>>\u00a0 1\u00a0<\/code>or<\/code>\u00a01=1 >>> $id=1\u00a0<\/code>or<\/code>\u00a01=1<\/code><\/div>\n
<\/div>\n
SELECT<\/code>\u00a0first_name, last_name\u00a0<\/code>FROM<\/code>\u00a0users\u00a0<\/code>WHERE<\/code>\u00a0user_id = 1\u00a0<\/code>or<\/code>\u00a01=1<\/code><\/div>\n
<\/div>\n
\u8f93\u5165\u7684\u5185\u5bb9\u5f53\u4f5c\u4ee3\u7801\u6267\u884c\u4e86\u00a0 \/\/\u8fd9\u4e2a\u53eb\u505a\u6574\u5f62\u95ed\u5408<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

\u5728\u6765\u770b\u4e00\u6bb5\uff0c\u8fd9\u6b21 \u628a\u53d8\u91cf\u7528\u5f15\u53f7\u5f15\u8d77\u6765\uff0c\u7528\u5355\u5f15\u53f7or\u7528\u53cc\u5f15\u53f7\uff0c\u662f\u4e0d\u4e00\u6837\u7684\u7834\u89e3\u65b9\u6cd5<\/strong><\/p>\n

\n
\n
\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
6<\/div>\n
7<\/div>\n
8<\/div>\n
9<\/div>\n
10<\/div>\n
11<\/div>\n
12<\/div>\n
13<\/div>\n
14<\/div>\n
15<\/div>\n
16<\/div>\n
17<\/div>\n
18<\/div>\n
19<\/div>\n<\/td>\n
\n
\n
$query\u00a0 =\u00a0<\/code>\"SELECT first_name, last_name FROM users WHERE user_id = '$id';\"<\/code><\/div>\n
\u4e0a\u9762\u53cc\u5f15\u53f7\u91cc\u7684\u662f\u8981\u88ab\u4f20\u5165\u6570\u636e\u5e93\u6267\u884c\u7684<\/code><\/div>\n
<\/div>\n
first<\/code>\uff0c\u8f93\u5165\u7684\u6570\u636e\u88ab\u4f20\u5165$id\u8fd9\u4e2a\u53d8\u91cf<\/code><\/div>\n
<\/div>\n
ok\uff0c\u90a3\u4e48\u8f93\u5165\u4e00\u4e2a 1 \uff0c$id=1\u00a0\u00a0<\/code>and<\/code>\u00a0\u6b64\u8bed\u53e5\u5c31\u53d8\u6210\u4e86\uff1a<\/code><\/div>\n
<\/div>\n
SELECT<\/code>\u00a0first_name, last_name\u00a0<\/code>FROM<\/code>\u00a0users\u00a0<\/code>WHERE<\/code>\u00a0user_id =\u00a0<\/code>'1'<\/code><\/div>\n
<\/div>\n
\u90a3\u4e48\u8981\u600e\u4e48\u505a\u624d\u80fd\u53d8\u6210\u8f93\u5165\u7684\u6570\u636e\u53d8\u6210\u4ee3\u7801\u6267\u884c\u5462\uff1f<\/code><\/div>\n
\u601d\u8003ing\u00a0\u00a0<\/code>time<\/code>\uff085min\uff09<\/code><\/div>\n
<\/div>\n
ok\uff0c\u65e0\u8bba\u8f93\u5165\u4ec0\u4e48\u6570\u636e\u4ed6\u90fd\u5728\u5f15\u53f7\u91cc\uff0c\u90a3\u8f93\u5165\u7684\u6570\u636e\u5c31\u6ca1\u6709\u4efb\u4f55\u610f\u4e49\u5bf9\u5427\uff0c<\/code><\/div>\n
\u90a3\u5c31\u6765\u7a81\u7834\u5f15\u53f7\uff0c\u5982\u4f55\u7a81\u7834<\/code><\/div>\n
<\/div>\n
\uff0c\uff0clook here \u300b\u300b 1<\/code>' or 1=1 '<\/code>\u00a0\u00a0\u300b\u300b $id=1<\/code>' or 1=1 '<\/code>\u00a0\u00a0\u00a0\u62fc\u63a5\u8bd5\u4e00\u8bd5<\/code><\/div>\n
<\/div>\n
SELECT<\/code>\u00a0first_name, last_name\u00a0<\/code>FROM<\/code>\u00a0users\u00a0<\/code>WHERE<\/code>\u00a0user_id =\u00a0<\/code>'1'<\/code>\u00a0or<\/code>\u00a01=1\u00a0<\/code>''<\/code><\/div>\n
FUCK\uff0c\uff0c\u6709\u95ee\u9898\u4e86\uff0c\uff0c\u4e0d\u4e00\u6837\u4e86\u00a0\u00a0\u00a0 \/\/\u8fd9\u4e2a\u53eb\u505a\u5355\u5f15\u53f7\u95ed\u5408<br><br>\u90a3\u4e48\u518d\u6765\u601d\u8003\u4e00\u4e2a\u95ee\u9898\uff0c\u5f53\u53d8\u91cf\u7528\u53cc\u5f15\u53f7\u5f15\u8d77\u6765\u600e\u4e48\u529e\uff0c\u4e0d\u662f\u6ca1\u7528\u5f15\u53f7\uff0c\u4e5f\u4e0d\u662f\u5355\u5f15\u53f7<br>\u601d\u8003ing\u00a0\u00a0<\/code>time<\/code>\uff082min\uff09<br><br>ok,easy\u00a0\u00a0 \u90a3\u5c31\u7528\u53cc\u5f15\u53f7\u7834\u89e3\u5457<br><br><\/code>SELECT<\/code>\u00a0first_name, last_name\u00a0<\/code>FROM<\/code>\u00a0users\u00a0<\/code>WHERE<\/code>\u00a0user_id =\u00a0<\/code>\"$id\"<\/code><br><br>look here\u00a0 \u300b\u300b\u300b\u00a0 1<\/code>\" or 1=1 \"<\/code>\u00a0\u300b\u300b\u300b $id=1<\/code>\" or 1=1 \"<\/code><br><br><\/code>SELECT<\/code>\u00a0first_name, last_name\u00a0<\/code>FROM<\/code>\u00a0users\u00a0<\/code>WHERE<\/code>\u00a0user_id =\u00a0<\/code>\"1\"<\/code>\u00a0or<\/code>\u00a01=1\u00a0<\/code>\"\"<\/code><br><br>success\uff0ceasy\u00a0\u00a0\u00a0 \/\/\u8fd9\u4e2a\u53eb\u505a\u53cc\u5f15\u53f7\u95ed\u5408<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

OK\uff0c\u4e0a\u9762\u662f\u80fd\u770b\u5230\u540e\u7aef\u4ee3\u7801\u7684\uff0c\u54ea\u4e2a\u7f51\u7ad9\u613f\u610f\u8ba9\u4f60\u770b\u5230\u4ed6\u7684\u540e\u7aef\u4ee3\u7801\uff0cIt won’t<\/strong><\/p>\n

\u3000\u3000AND\uff0c\u770b\u4e0d\u5230\u6e90\u7801\uff0c\u600e\u4e48\u8fdb\u884c\u6ce8\u5165\u5462<\/strong><\/p>\n

\u3000\u3000so easy , \u901a\u8fc7\u4f20\u5165\u7684\u6076\u610f\u4ee3\u7801\uff0c\u89c2\u5bdf\u9875\u9762\u60c5\u51b5 \uff0c\u662f\u5426\u6b63\u5e38\u7b49\uff0c\u6765\u5224\u65ad\u662f\u5426\u5b58\u5728\u6ce8\u5165\u70b9\uff0c\u786e\u5b9a\u6ce8\u5165\u65b9\u6cd5<\/strong><\/p>\n

\u3000\u3000\u9996\u5148\u6211\u4eec\u627e\u5230\u4f20\u53c2\u70b9\uff0c\u8fdb\u884c\u6ce8\u5165 \u5c1d\u8bd5 \uff0c\u9996\u5148\u5224\u65ad\u95ed\u5408\u7c7b\u578b<\/strong><\/p>\n

\u3000\u3000SQL\u8bed\u53e5\u7684\u95ed\u5408\u7c7b\u578b\uff1a\u6574\u578b\u95ed\u5408\u3001\u5355\u5f15\u53f7\u95ed\u5408\u3001\u53cc\u5f15\u53f7\u95ed\u5408\u3001\u5355\u5f15\u53f7\u52a0\u62ec\u53f7\u3001\u53cc\u5f15\u53f7\u52a0\u62ec\u53f7<\/strong><\/p>\n

\u3000\u3000\u00b7 \u6574\u5f62\u95ed\u5408<\/strong>\u3000<\/strong><\/p>\n

\n
\n
\n
\n\n\n\n
\n
1<\/div>\n<\/td>\n
\n
\n
SELECT<\/code>\u00a0*\u00a0<\/code>FROM<\/code>\u00a0admin\u00a0<\/code>WHERE<\/code>\u00a0id=1;\u00a0\u00a0 \/\/\u6574\u5f62\u95ed\u5408<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u6a21\u62df\u6ce8\u5165<\/strong>
\n<\/strong><\/p>\n

\u3000\u3000?id=1′\u00a0 \u00a0=>\u00a0 \u62a5\u9519<\/strong><\/p>\n

\u3000\u3000?id=1”\u00a0 =>\u00a0 \u62a5\u9519<\/strong><\/p>\n

\u3000\u3000\u5224\u65ad\u4e3a\u6574\u5f62\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000\u00b7 \u5355\u5f15\u53f7\u95ed\u5408<\/strong>\u3000<\/strong><\/p>\n

\n
\n
\n
\n\n\n\n
\n
1<\/div>\n<\/td>\n
\n
\n
SELECT<\/code>\u00a0*\u00a0<\/code>FROM<\/code>\u00a0admin\u00a0<\/code>WHERE<\/code>\u00a0id=\u20181\u2019\uff1b\u00a0 \/\/\u5355\u5f15\u53f7\u95ed\u5408<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u6a21\u62df\u6ce8\u5165<\/strong><\/p>\n

?id=1′\u00a0 =>\u00a0 \u62a5\u9519<\/strong><\/p>\n

\u3000\u3000?id=1” =>\u00a0 \u6b63\u5e38\u8fd4\u56deid=1\u7684\u503c<\/strong><\/p>\n

\u3000\u3000\u5224\u65ad\u4e3a\u5355\u5f15\u53f7\u6216\u8005\u5355\u5f15\u53f7\u62ec\u53f7\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000\u4efb\u4f55\u95ed\u5408\u65b9\u5f0f\u90fd\u8fd9\u6837\u5728\u6ca1\u6709\u9047\u5230\u76f8\u5bf9\u5e94\u7684\u95ed\u5408\u65f6\uff0c\u90fd\u4f1a\u628a\u8fd9\u4e2a\u7b26\u53f7\u5f53\u4f5c\u4e00\u4e2a\u6574\u4f53\uff0c\u6ce8\u91ca\u7b26\u4e5f\u4e0d\u4f8b\u5916<\/strong><\/p>\n

\u3000\u3000\u518d\u6b21\u6a21\u62df\u6ce8\u5165<\/strong><\/p>\n

\u3000\u3000?id=1′-+\u00a0 =>\u00a0 \u65e0\u62a5\u9519 => \u5355\u5f15\u53f7\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000?id=1′-+\u00a0 =>\u00a0 \u62a5\u9519\u00a0 =>\u00a0 \u5355\u5f15\u53f7\u62ec\u53f7\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000\u00b7 \u53cc\u5f15\u53f7\u95ed\u5408<\/strong>\u3000<\/strong><\/p>\n

\n
\n
\n
\n\n\n\n
\n
1<\/div>\n<\/td>\n
\n
\n
SELECT<\/code>\u00a0*\u00a0<\/code>FROM<\/code>\u00a0admin\u00a0<\/code>WHERE<\/code>\u00a0id=<\/code>\"1\"<\/code>;\u00a0 \/\/\u53cc\u5f15\u53f7\u95ed\u5408<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

 <\/p>\n

\u3000\u3000?id=1′\u00a0 => \u6b63\u5e38\u8fd4\u56deid=1\u7684\u503c<\/strong><\/p>\n

\u3000\u3000?id=1″ => \u62a5\u9519<\/strong><\/p>\n

\u3000\u3000\u5224\u65ad\u4e3a\u53cc\u5f15\u53f7\u95ed\u5408\u6216\u8005\u53cc\u5f15\u53f7\u62ec\u53f7\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000\u518d\u6b21\u6a21\u62df\u6ce8\u5165<\/strong><\/p>\n

\u3000\u3000?id=1″-+\u00a0 => \u65e0\u62a5\u9519 => \u53cc\u5f15\u53f7\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000?id=1″-+ => \u62a5\u9519\u00a0 =>\u00a0 \u53cc\u5f15\u53f7\u62ec\u53f7\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000\u00b7 \u603b\u7ed3<\/strong><\/p>\n

\u3000\u3000\u5224\u65ad\u95ed\u5408\u7c7b\u578b<\/strong><\/p>\n

\u3000\u3000\u9996\u5148\u5c1d\u8bd5\uff1a?id=1′<\/strong><\/p>\n

?id=1″<\/strong><\/p>\n

\u3000\u3000\u4e0d\u62a5\u9519 =>\u00a0 \u6574\u5f62\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000\u62a5\u9519\u00a0 \u00a0=>\u00a0 \u5355\u5f15\u53f7\u62a5\u9519 \uff0c\u53cc\u5f15\u53f7\u4e0d\u62a5\u9519 => \u5c1d\u8bd5 ?id=1′-+\u00a0 =>\u00a0 \u65e0\u62a5\u9519\u5355\u5f15\u53f7\u95ed\u5408\uff0c\u62a5\u9519\u5355\u5f15\u53f7\u52a0\u62ec\u53f7\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000\u62a5\u9519\u00a0 =>\u00a0 \u5355\u5f15\u53f7\u4e0d\u62a5\u9519\uff0c\u53cc\u5f15\u53f7\u62a5\u9519\u00a0 =>\u00a0 \u5c1d\u8bd5 ?id=1″-+\u00a0 =>\u00a0 \u65e0\u62a5\u9519\u53cc\u5f15\u53f7\u95ed\u5408\uff0c\u62a5\u9519\u53cc\u5f15\u53f7\u52a0\u62ec\u53f7\u95ed\u5408<\/strong><\/p>\n

\u3000\u3000<\/strong><\/p>\n

\u3000\u3000\u6ce8\u5165\u70b9\u627e\u5230\uff0c\u786e\u5b9a\u95ed\u5408\u65b9\u5f0f\u5f00\u59cb\u8fdb\u884c\u6ce8\u5165\u653b\u51fb\uff0c\u4ee5DVWA\u9776\u573a\u4e3a\u4f8b<\/strong><\/p>\n

\u3000\u3000First\uff0c\u89c2\u5bdfurl\u680f \u5224\u65ad\u4e3aGET\u4f20\u53c2\uff0c\u5148\u8fdb\u884c\u6b63\u5e38\u5185\u5bb9\u8f93\u5165\uff0c\u8f93\u51651 \uff0c\u770b\u8fd4\u56de\u7ed3\u679c<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211111402116-677741510\"<\/strong><\/p>\n

\u7b2c\u4e8c\u6b65\uff0c\u6d4b\u8bd5\u662f\u5426\u5b58\u5728\u6ce8\u5165\uff0c\u8fdb\u884c\u6076\u610f\u8bed\u53e5\u6d4b\u8bd5\uff0c\u4e0d\u77e5\u9053\u95ed\u5408\u7c7b\u578b\uff0c\u5148\u4ece\u6574\u5f62\u95ed\u5408\u5f00\u59cb\u5224\u65ad 1 and 1=1<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211112406223-1118834423\"<\/strong><\/p>\n

\u9875\u9762\u6b63\u5e38\uff0c\u4e0eid=1 \u65f6\u8fd4\u56de\u7684\u5185\u5bb9\u4e00\u6837\u00a0 \u4e0d\u786e\u5b9a\u662f\u5426\u6ce8\u5165\u6210\u529f\uff0c\u56e0\u4e3aand 1=1 \u6052\u6210\u7acb \u6240\u4ee5\u8fd8\u5f97\u8fdb\u884c\u7b2c\u4e8c\u6b21\u5224\u65ad\uff0c1 and 1=2<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211113156195-10781657\"<\/strong><\/p>\n

\u9875\u9762\u6b63\u5e38\uff0c\u4e0eid=1 \u65f6\u8fd4\u56de\u7684\u5185\u5bb9\u4e00\u6837\uff0cand 1=2 \u662f\u6052\u4e0d\u6210\u7acb\u7684\uff0c\u5982\u679c\u6570\u636e\u5e93\u6267\u884c\u4e86\u4ee3\u7801\u90a3\u4e48\u5e94\u8be5\u662f\u6ca1\u6709\u6570\u636e\u8fd4\u56de\u7684\uff0c\u73b0\u5728\u8fd4\u56de\u4e86\u6570\u636e\uff0cso\uff0c\u4e0d\u662f\u6574\u5f62\u95ed\u5408<\/strong>
\n<\/strong><\/p>\n

\u3000\u3000ok\uff0c\u65e2\u7136\u4e0d\u662f\u6574\u5f62\u95ed\u5408\uff0c\u90a3\u4e48\u53bb\u5c1d\u8bd5\u662f\u4e0d\u662f\u5355\u5f15\u53f7\u95ed\u5408\uff0c\u8f93\u5165\u00a0 \u00a01’\uff0c\uff0c\uff0c\u628a\u9519\u8bef\u663e\u793a\u51fa\u6765\u4e86\uff0c\u8bf4\u660e\u662f\u5355\u5f15\u53f7\u95ed\u5408\uff0c\u65e2\u5b58\u5728\u6ce8\u5165\uff0c\u53c8\u786e\u5b9a\u662f\u5355\u5f15\u53f7\u95ed\u5408\uff0c\u90a3\u4e48\u53ef\u4ee5\u8fdb\u884c\u6ce8\u5165\u4e86\u3002AND\uff0c\u6211\u8f93\u5165\u7684\u662f1′\u00a0 \u4e3a\u4ec0\u4e48url\u7684\u4f20\u53c2\u662f1%27\uff0c\u8fd9\u662f\u56e0\u4e3aget\u4f20\u53c2\u4f1a\u88aburl\u7f16\u7801\uff0c\u8fd9\u4e2a\u5f15\u53f7\u88aburl\u7f16\u7801\u4e86\uff0c<\/strong>HTTP\u8bf7\u6c42GET\u8bf7\u6c42\u4e00\u822c\u8981\u8fdb\u884cURL\u7f16\u7801\uff0c\u4e3a\u4ec0\u4e48\u5462\uff0c\u8fd9\u662f\u4e3a\u4e86\u9632\u6b62URL\u4e2d\u7684\u53c2\u6570\u548cHTTP\u4e2d\u7684\u4e00\u4e9b\u53c2\u6570\u51b2\u7a81\uff0c\u5bfc\u81f4\u5947\u5f02\u3002<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211145825926-1945314861\"<\/strong><\/p>\n

\u3000\u3000OK\uff0c\u4e0b\u9762\u5f00\u59cbSQL\u6ce8\u5165<\/strong><\/p>\n

\u3000\u3000First\uff0c\u5df2\u7ecf\u627e\u5230\u6ce8\u5165\u70b9\uff0c\u5224\u65ad\u51fa\u95ed\u5408\u7c7b\u578b\uff0c\u5f00\u59cb \u901a\u8fc7\u6076\u610f\u8bed\u53e5\u6765\u83b7\u53d6\u6570\u636e\u5e93\u4fe1\u606f<\/strong><\/p>\n

\u3000\u3000\u7b2c\u4e00\u6b65\uff0c\u731c\u89e3\u5b57\u6bb5\u6570\uff0c\u7528\u5230\u8bed\u6cd5\uff1aorder by\u00a0 X\u00a0 \u00a0\u5f53X\u5927\u4e8e\u5b57\u6bb5\u6570\u5c31\u4f1a\u663e\u9519\uff0c\u5c0f\u4e8e\u6216\u7b49\u4e8e\u6b63\u5e38\u8fd4\u56de\u9875\u9762<\/strong><\/p>\n

\u3000\u3000\u901a\u8fc7order by\u8bed\u53e5\u67e5\u51fa\u5f53\u524d\u8868\u6709\u4e24\u4e2a\u5b57\u6bb5\uff0c\u4e3a\u4ec0\u4e48\u8981\u5148\u67e5\u5b57\u6bb5\u6570\uff1f \u601d\u8003ing time\uff081min\uff09<\/strong><\/p>\n

\u3000\u3000answer >>>>\u00a0 \u56e0\u4e3a\u4e0b\u9762\u8981\u60f3\u67e5\u6570\u636e\u5e93\u5176\u4ed6\u7684\u5185\u5bb9\uff0c\u4e0d\u53ef\u80fd\u518d\u7528\u5f53\u524d\u8868\u5427\uff0c\u5f97\u901a\u8fc7\u8054\u5408\u67e5\u8be2\u5427\uff0c\u90a3\u4e48\u8054\u5408\u67e5\u8be2\u7684\u5fc5\u8981\u6761\u4ef6>>>\u591a\u4e2a\u8868\u7684\u5b57\u6bb5\u6570\u5fc5\u987b\u76f8\u540c<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211151206287-1984230663\"<\/strong><\/p>\n

\u7b2c\u4e8c\u6b65\uff0c\u5224\u65ad\u663e\u4f4d\uff0cwhy\uff1f\u00a0<\/strong><\/p>\n

\u3000\u3000answer >>>\u4e00\u4e2a\u8868\u53ef\u80fd\u6709\u591a\u4e2a\u5b57\u6bb5\uff0c\u4f46\u662f\u6211\u4eec\u9875\u9762\u4e0a\u770b\u5230\u7684\u53ef\u80fd\u5e76\u4e0d\u662f\u8868\u7684\u5b57\u6bb5\u7684\u5168\u90e8\uff0c\u5f00\u53d1\u8005\u53ef\u80fd\u9875\u9762\u5185\u5bb9\u53ea\u8f93\u51fa\u6307\u5b9a\u7684\u90a3\u51e0\u4e2a\u5b57\u6bb5\uff0c\u90a3\u662f\u4e0d\u662f\u6211\u4eec\u5c31\u770b\u4e0d\u5230\u5176\u4ed6\u7684\u5b57\u6bb5\u5462\uff0cso\uff0c\u9875\u9762\u663e\u793a\u5e76\u4e0d\u4e00\u5b9a\u662f\u5168\u90e8\u5b57\u6bb5\u3002\u90a3\u6211\u4eec\u5c31\u8981\u5224\u65ad\u51fa\u5b57\u6bb5\u663e\u4f4d\uff0c\u540c\u65f6\u4e5f\u8f93\u51fa\u53e6\u4e00\u4e2a\u8868\u540c\u6837\u7684\u663e\u4f4d\uff0c\u8fd9\u6837\u67e5\u8be2\u7684\u4fe1\u606f\u624d\u53ef\u80fd\u901a\u8fc7 \u663e\u4f4d \u8f93\u51fa\u5230\u9875\u9762\u3002<\/strong><\/p>\n

\u3000\u3000HOW\uff1f<\/strong><\/p>\n

\u3000\u3000answer>>>\u6709\u7684\u7f51\u7ad9\uff0c\u4f1a\u89c4\u5b9a\u8fd9\u4e2a\u663e\u4f4d\uff0c\u8f93\u51fa\u7684\u6570\u636e\u6307\u5b9a\u662f\u591a\u5c11\uff0c\u5982\u679c\u5f00\u53d1\u8005\u6307\u5b9a\u53ea\u80fd\u8f93\u51fa\u4e00\u6761\u6570\u636e\uff0c\u90a3\u4e48\u8054\u5408\u67e5\u8be2\u597d\u50cf\u4e5f\u6ca1\u4ec0\u4e48\u4f5c\u7528\u4e86\uff0c\u56e0\u4e3a\u8054\u5408\u67e5\u8be2\u662f\u5148\u8f93\u51fa\u524d\u9762\u8868\u7684\u6570\u636e\uff0c\u6211\u4eec\u9700\u8981\u7684\u662f\u540e\u9762\u7684\u8868\u7684\u6570\u636e\uff0c\u6709\u9047\u5230\u96be\u9898\u4e86\u3002\u3002\u3002\u601d\u8003ing time\uff082min\uff09<\/strong><\/p>\n

\u3000\u3000ok\uff0c\u7528\u8054\u5408\u67e5\u8be2\uff0c\u5f53\u4e00\u4e2a\u8868\u91cc\u6ca1\u6709\u67e5\u8be2\u5230\u6570\u636e\uff0c\u90a3\u4e48\u4e0d\u8f93\u51fa\u8fd9\u4e2a\u8868\u7684\u6570\u636e\uff0c\uff0c\uff0c\uff0c\u53ef\u4e0d\u53ef\u4ee5\uff0c\u524d\u9762\u7684\u8868\u4e0d\u8f93\u51fa\u6570\u636e\u5462\u3002\u3002of course<\/strong><\/p>\n

\u3000\u30001.111111111111\uff0c1\uff0c998787\uff0c6.37176\uff0c90000.88877\uff0c\uff0c\uff0c\uff0c\u8fd9\u4e9b\u6570\u636e\u6570\u636e\u5e93\u91cc\u53ef\u4ee5\u8bf4\u662f\u767e\u5e74\u4e0d\u4f1a\u89c1\u5427\uff0c\u90a3\u6211\u4eec\u53bb\u67e5\u4ed6\uff0c\u662f\u4e0d\u662f\u7a7a\uff1f\uff1f\u00a0of course<\/strong><\/p>\n

\u3000\u3000ok\uff0c\u6784\u5efa\u6076\u610f\u8bed\u53e5>>>> 1.11114434′ union select 1,2 #<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211154009563-2064010538\"<\/strong><\/p>\n

\u3000\u3000\u5982\u4e0a\u56fe\uff0c\u4ece\u7b2c\u4e00\u6b65\u5f97\u77e5\u6709\u4e24\u4e2a\u5b57\u6bb5\uff0c\u7528\u6765\u5224\u663e\u4f4d\uff0c\u4e24\u4e2a\u5b57\u6bb5\u5185\u5bb9\u5168\u90e8\u663e\u793a\uff0c\u5f53\u7136\u8fd9\u79cd\u60c5\u51b5\u7684\u6982\u7387\u662f\u975e\u5e38\u5c0f\u7684<\/strong><\/p>\n

\u3000\u3000ok\uff0c\u663e\u4f4d\u5224\u65ad\u5b8c\u6bd5<\/strong><\/p>\n

\u3000\u3000\u7b2c\u4e09\u6b65\uff0c\u67e5\u8be2\u5f53\u524d\u6570\u636e\u5e93<\/strong><\/p>\n

\u3000\u3000HOW\uff1f\u601d\u8003ing time\uff081min\uff09<\/strong><\/p>\n

\u3000\u3000database\uff08\uff09\u51fd\u6570<\/strong><\/p>\n

\n
\n
\n\n\n\n
\n
1<\/div>\n<\/td>\n
\n
\n
1.7274972'\u00a0<\/code>union<\/code>\u00a0select<\/code>\u00a01,<\/code>database<\/code>() #<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

\"2204804-20211211155021130-1958411663\"<\/p>\n

ok\uff0c\u663e\u4f4d\u5df2\u7ecf\u5224\u65ad\u5b8c\u6bd5\uff0c\u4e0b\u9762\u624d\u662f\u521a\u521a\u5f00\u59cb<\/strong><\/p>\n

\u3000\u3000\u7b2c\u4e09\u6b65\uff0c\u5bf9\u6570\u636e\u5e93\u91cc\u7684\u5e93\uff0c\u8868\uff0c\u5b57\u6bb5\uff0c\u6570\u636e\u8fdb\u884c\u67e5\u8be2<\/strong><\/p>\n

\u3000\u3000HOW\uff1f<\/strong><\/p>\n

\u3000\u3000First\uff0c\u9700\u8981\u4e86\u89e3\u6570\u636e\u5e93\uff0c\u6b64\u9776\u573a\u7684\u6570\u636e\u5e93\u662fMySQL\uff0c\u540e\u7eed\u4f1a\u5199\u600e\u4e48\u8bc6\u522b\u6570\u636e\u5e93\uff0c\u5e38\u89c1\u6570\u636e\u5e93\u592a\u591a\u4e86\uff0cOracle Database\u7532\u9aa8\u6587\u516c\u53f8\u3001SQL Server\u5fae\u8f6f\u516c\u53f8\u3001DB2IBM\u516c\u53f8\u3001PostgreSQL\u5f00\u6e90\u3001MySQL\u5f00\u6e90\u3001Access\u5fae\u8f6f\u7b49\u7b49<\/strong><\/p>\n

\u3000\u3000mysql\u57285.0\u4ee5\u4e0a\u7248\u672c\u52a0\u5165\u4e86information_schema\u8fd9\u4e2a\u7cfb\u7edf\u81ea\u5e26\u5e93\uff0c\u5176\u4e2d\u4fdd\u5b58\u7740\u5173\u4e8emysql\u670d\u52a1\u5668\u6240\u7ef4\u62a4\u7684\u5176\u4ed6\u6570\u636e\u4fe1\u606f\uff0c\u5982\u6570\u636e\u5e93\u540d\uff0c\u6570\u636e\u5e93\u7684\u8868\uff0c\u8868\u680f\u7684\u6570\u636e\u7c7b\u578b\u4e0e\u8bbf\u95ee\u6743\u9650\uff0c\uff0c<\/strong>\u8fd9\u4e2a\u5e93\u975e\u5e38\u725b\uff0c\uff0c\u6570\u636e\u5e93\u6240\u6709\u7684 \u5e93\uff0c\u8868\uff0c\u5b57\u6bb5\u7684\u4f4d\u7f6e\u5728\u8fd9\u5f20\u8868\u91cc\u90fd\u80fd\u627e\u5230<\/strong><\/p>\n

\u3000\u3000information_scheam\u8fd9\u4e2a\u5e93\u4e0b\u9762\u6709\u51e0\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u8868\uff0c\u5fc5\u987b\u77e5\u9053\u7684\uff1a<\/strong><\/p>\n

\u3000\u3000information_schema.schemata\u00a0 >>> \u8fd9\u4e2a\u8868\u4fdd\u5b58\u4e86\u6240\u6709\u6570\u636e\u5e93\u91cc\u7684\u5e93\u7684\u4fe1\u606f<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211192914109-747496962\"<\/strong><\/p>\n

\u3000\u3000information_schema.tables\u00a0 >>>\u00a0 \u8fd9\u4e2a\u8868\u4fdd\u5b58\u4e86\u6570\u636e\u5e93\u91cc\u6240\u6709\u8868\u7684\u4fe1\u606f<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211193439805-1456374149\"<\/strong><\/p>\n

 <\/p>\n

 <\/p>\n

information_schema.columns\u00a0 >>> \u8fd9\u4e2a\u8868\u4fdd\u5b58\u4e86\u6570\u636e\u5e93\u91cc\u6240\u6709\u7684\u5b57\u6bb5\u4fe1\u606f<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211194144518-1870742034\"<\/strong><\/p>\n

\u3000\u3000AND\uff0c\uff0c<\/strong><\/p>\n

\u3000\u3000column_name \u5b57\u6bb5\u540d<\/strong><\/p>\n

\u3000\u3000table_name \u8868\u540d<\/strong><\/p>\n

\u3000\u3000schema_name \u5e93\u540d<\/strong><\/p>\n

\u3000\u3000OK\uff0c\u57fa\u7840\u77e5\u8bc6\u5df2\u7b80\u5355\u4e86\u89e3\uff0c\u600e\u4e48\u53d6\u901a\u8fc7\u8fd9\u4e9b\u77e5\u8bc6\u6ce8\u5165\u5462\uff0c<\/strong><\/p>\n

\u3000\u3000\u601d\u8003ing\u00a0 time\uff085min\uff09<\/strong><\/p>\n

\u3000\u3000OK\uff0cTime out\uff0c\uff0c\uff0c<\/strong><\/p>\n

\u3000\u3000Look here\u00a0 >>>\u00a0 \u4e0a\u4e00\u6b65\u77e5\u9053\u4e86\u8054\u5408\u67e5\u8be2\uff0c\u5bf9\u4e0d\u5bf9\uff0c\u8981\u67e5\u8be2\u6570\u636e\u5e93\u4fe1\u606f\u9700\u8981\u77e5\u9053\u8868\u540d\u5440\uff0c\u73b0\u5728\u5df2\u7ecf\u77e5\u9053\u4e86\u7cfb\u7edf\u81ea\u5e26\u5e93\u3001\u81ea\u5e26\u8868\uff0c\u800c\u4e14\u901a\u8fc7\u8fd9\u51e0\u5f20\u8868\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u6570\u636e\u5e93\u4efb\u4f55\u6570\u636e<\/strong><\/p>\n

\u3000\u3000OK\uff0c\u90a3\u4e0b\u9762\u5c31easy\u4e86\uff0c\uff0c\uff0c\u6784\u5efa\u6076\u610f\u8bed\u53e5\uff0c\u5148\u770b\u770b\uff0c\u5f53\u524d\u5e93\u5b58\u5728\u54ea\u4e9b\u8868<\/strong><\/p>\n

\n
\n
\n\n\n\n
\n
1<\/div>\n<\/td>\n
\n
\n
1.2223'\u00a0<\/code>union<\/code>\u00a0select<\/code>\u00a01,table_name\u00a0<\/code>from<\/code>\u00a0information_schema.tables\u00a0<\/code>where<\/code>\u00a0table_schema=<\/code>database<\/code>()\u00a0 #<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

>>><\/p>\n

\"2204804-20211211195652903-1579852839\"<\/p>\n

 <\/p>\n

OK\uff0c\u5f53\u524d\u6570\u636e\u5e93\u4e0b\u7684\u8868’s name\u6709\u5df2\u7ecf\u62ff\u5230\uff0c\uff0c\u5b9a\u775b\u4e00\u770b\uff0c\uff0cusers\uff0c\uff0c\u8fd9\u4e2a\u8868\u6709\u70b9\u53ef\u7591\u5440\uff0c\uff0cuser\u4ec0\u4e48\u610f\u601d>>\u7528\u6237\u00a0 \u00a0<\/strong><\/p>\n

\u3000\u3000 SO\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e0busers\u8868\u91cc\u6709\u4ec0\u4e48\u4e1c\u897f\uff0c\u6765\uff0c\u4e0a\u6076\u610f\u4ee3\u7801<\/strong><\/p>\n

\n
\n
\n\n\n\n
\n
1<\/div>\n<\/td>\n
\n
\n
1.2333<\/code>' union select 1,column_name from information_schema.columns where table_schema=database() and table_name='<\/code>users'\u00a0 #\u00a0<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

>>>\u3000\"2204804-20211211200721851-491139406\"<\/p>\n

 <\/p>\n

OK\uff0c\u5b57\u6bb5\u540d\u5df2\u7ecf\u83b7\u53d6\u4e86\uff0c\u662f\u4e0d\u662f\u6709\u4e24\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6570\u636e>>>user\u00a0 \u00a0 \u00a0password<\/strong><\/p>\n

\u3000\u3000SO\uff0c\u83b7\u53d6user and password \u4e24\u4e2a\u5b57\u6bb5\u7684\u6570\u636e\u00a0 \u00a0\uff0c\uff0c\uff0c>>>\u00a0 \u6076\u610f\u4ee3\u7801\uff0c\uff0c\uff0c\u4e0a<\/strong><\/p>\n

\n
\n
\n\n\n\n
\n
1<\/div>\n<\/td>\n
\n
\n
1.647'\u00a0<\/code>union<\/code>\u00a0select<\/code>\u00a0user<\/code>,<\/code>password<\/code>\u00a0from<\/code>\u00a0dvwa.users #<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

>>><\/p>\n

\"2204804-20211211201413285-1343343907\"<\/p>\n

 <\/p>\n

WC\uff0cNB\uff0c\u4fe1\u606f\u90fd\u51fa\u6765\uff0c\u84dd\u6846\u65f6\u7528\u6237\u540d\uff0c\u7eff\u6846\u65f6\u5bc6\u7801\uff0c\u4f46\u4ed4\u7ec6\u4e00\u770b\u6709\u70b9\u4e0d\u5bf9\uff0c\uff0c\u54ea\u91cc\u4e0d\u5bf9<\/strong>
\n<\/strong><\/p>\n

\u3000\u3000password\u88ab\u52a0\u5bc6\u4e86\uff0cMD5\u52a0\u5bc6\uff0c\uff0c\u767e\u5ea6\u641cMD5\u89e3\u5bc6\uff0c\uff0c\u628a\u5bc6\u7801\u89e3\u51fa\u6765\uff0c\uff0cso\u00a0 easy<\/strong><\/p>\n

\u4e09\u3001POST\u6ce8\u5165<\/strong><\/p>\n

\u3000\u30001\u3001What is POST\u6ce8\u5165<\/strong><\/p>\n

\u3000\u3000\u8981\u641e\u61c2POST\u6ce8\u5165\uff0c\u5148\u641e\u61c2POST\u4f20\u53c2<\/strong><\/p>\n

\u3000\u3000POST\u4f20\u53c2\uff1a\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u88ab\u9690\u85cf\u4e86\u8d77\u6765\uff0c\u5730\u5740\u680f\u770b\u4e0d\u5230<\/strong><\/p>\n

\u3000\u3000\u7279\u70b9\uff1a\u4f20\u53c2\u5185\u5bb9\u4e0d\u53ef\u89c1\uff0c\u4f20\u53c2\u957f\u5ea6\u65e0\u9650\u5236<\/strong><\/p>\n

\u3000\u3000POST\u6ce8\u5165\uff1a\u901a\u8fc7POST\u4f20\u53c2\u7684\u65b9\u5f0f\uff0c\u4f20\u8f93\u6076\u610f\u8bed\u53e5\uff0c\u8fdb\u884cSQL\u6ce8\u5165\uff0c\u672c\u8d28\u548cGET\u6ce8\u5165\u662f\u4e00\u6837\u7684<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211203538055-1468324818\"<\/strong><\/p>\n

\u3000\u3000\u5982\u4e0a\u56fe\uff0c\u6240\u793a\uff0c\u6ca1\u6709\u8f93\u5165\u5730\u65b9\uff0c\u53ea\u6709\u9009\u9879\u6846\uff0c\u6700\u91cd\u8981\u7684\u4e00\u70b9\u662f\uff0c\u5730\u5740\u680f\u4e0d\u53ef\u89c1\u4f20\u53c2\u5185\u5bb9<\/strong><\/p>\n

\u3000\u3000WC\uff0c\u8fd9\u600e\u4e48\u641e\uff0c\u8fd9\u600e\u4e48\u8fdb\u884c\u4f20\u53c2\uff0cTMD\u4e0d\u6309\u5957\u8def\u6765<\/strong><\/p>\n

\u3000\u3000\u90a3\u597d\u5427\uff0c\u6765\u642c\u4e2a\u6551\u5175\u5427\u00a0 >>>>>\u00a0 BURP\u00a0\u00a0<\/strong><\/p>\n

\u3000\u3000BURP\u6765\u6293\u4e2a\u5305\u5427\uff0c\u65e2\u7136\u5730\u5740\u680f\u4e0d\u80fd\u663e\u793a\u4f20\u53c2\u5185\u5bb9\uff0c\u6293\u5305\u603b\u53ef\u4ee5\u5427<\/strong><\/p>\n

\u3000\u3000\"2204804-20211211213118757-905591498\"<\/strong><\/p>\n

 <\/p>\n

 <\/p>\n

\"2204804-20211211213420352-1392478263\"<\/p>\n

 <\/p>\n

OK\uff0c\uff0c\u6765\u6765\u6765\uff0c\uff0c\u4f20\u53c2\u5185\u5bb9\u51fa\u73b0\u4e86\u5427\uff0c\uff0c<\/strong><\/p>\n

\u3000\u3000\u90a3\u5c31\u5728burp\u91cc\u6d4b\u8bd5\u5427<\/strong><\/p>\n

\u3000\u3000\u5269\u4e0b\u7684\u6b65\u9aa4\u5c31\u548cGET\u6ce8\u5165\u4e00\u6a21\u4e00\u6837\u4e86\uff0c\u4fee\u6539\u4f20\u53c2\u5185\u5bb9<\/strong><\/p>\n

\"2204804-20211211213911727-1173240331\"<\/strong><\/p>\n

OK\uff0c\u8fd8\u662f\u5224\u65ad\u95ed\u5408\u7c7b\u578b\uff0c\u8fd9\u91cc\u5224\u65ad\u662f\u6574\u5f62\u95ed\u5408 >> \u5224\u65ad\u5b57\u6bb5\u6570 >> \u5224\u65ad\u663e\u4f4d >> \u67e5\u8be2\u6570\u636e\u5e93\u6570\u636e\u00a0 \u00a0 \u00a0 so easy<\/strong><\/p>\n

\u3000\u3000\u76f4\u63a5\u7ed9\u51fa\u7ed3\u679c<\/strong><\/p>\n

\"2204804-20211211214418036-1252763446\"<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000OK\uff0c\u5f88\u7b80\u5355\u5427\uff0c\u518d\u6765\u4e00\u4e2a\u5168\u81ea\u52a8\u597d\u4e0d\u597d\uff0c\u7528\u5de5\u5177Sqlmap\u6765\u505a\uff0c\u4e0d\u61c2\u539f\u7406\u7528\u5de5\u5177\u53eb\u505aVery low-end script boy \u5f53\u6211\u4eec\u61c2\u4e86\u539f\u7406\u7528\u5de5\u5177\u90a3\u4e48\u6211\u4eec\u5c31\u662f\u00a0increase of efficiency<\/strong><\/p>\n

\u3000\u3000 OK\uff0cGET\u6ce8\u5165 AND\u00a0 POST\u6ce8\u5165 \u5230\u8fd9\u5c31\u5dee\u4e0d\u591a\u4e86\uff0c\u662f\u4e0d\u662f\u5f88\u7b80\u5355\uff0c\u8fd9\u662f\u6700\u57fa\u7840\u7684\uff0c\u4e00\u822c\u7f51\u7ad9\u53ef\u4e0d\u4f1a\u8fd9\u4e48\u5bb9\u6613\uff0c\u8bb2\u8fd9\u4e2a\u53ea\u662f\u4e00\u4e2a\u5165\u95e8\uff0c\u544a\u8bc9\u5927\u5bb6SQL\u6ce8\u5165\u662f\u5982\u4f55\u53d1\u751f\u7684\uff0c\u4ece\u800c\u66f4\u597d \u7406\u89e3\u9ad8\u7ea7\u7684SQL\u6ce8\u5165\uff0c\u4e00\u822c\u7f51\u7ad9\u4f1a\u505a\u5f88\u591a\u9632\u62a4\u548c\u8fc7\u6ee4\uff0c\uff0c\u6bd4\u5982\u8fc7\u6ee4\u654f\u611f\u5b57\uff0c\u50cfand\/or\/#\/’\/”\u00a0 \u7b49\u7b49\u8fd9\u4e9b\u654f\u611f\u5b57\u7b26\u5f88\u5bb9\u6613\u88ab\u7f51\u7ad9\u8fc7\u6ee4\u548c\u62e6\u622a\uff0c\uff0c\u5f53\u7136\u4e86\uff0c\u9632\u62a4\u8fd8\u6709\u5f88\u591a\u9ad8\u7ea7\u7684\u9632\u62a4\uff0c\u7834\u89e3\u4e5f\u6709\u5f88\u591a\u9ad8\u7ea7\u7684\u7834\u89e3<\/strong><\/p>\n

 <\/p>\n

\u56db\u3001HEAD\u6ce8\u5165<\/strong><\/p>\n

 <\/p>\n

\u3000\u30001\u3001HEAD\u6ce8\u5165\u539f\u7406<\/strong><\/p>\n

\u3000\u3000\u5728\u4f20\u53c2\u7684\u65f6\u5019\uff0c\u5c06\u6211\u4eec\u7684\u6570\u636e\u6784\u5efa\u5728http\u5934\u90e8<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000\u5229\u7528\u4e86php\u7684\u5168\u5c40\u53d8\u91cf$_server\u83b7\u53d6\u7528\u6237\u7684\u76f8\u5173\u4fe1\u606f\u4e14\u5c06\u6570\u636e\u5b58\u5165\u6570\u636e\u5e93\uff0c\u5229\u7528updatexml\u51fd\u6570\u8f93\u5165sql\u8bed\u53e5\uff0c\u8fd4\u56de\u4fe1\u606f<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000\u901a\u5e38HTTP\u6d88\u606f\u5305\u62ec\u5ba2\u6237\u673a\u5411\u670d\u52a1\u5668\u7684\u8bf7\u6c42\u6d88\u606f\u548c\u670d\u52a1\u5668\u5411\u5ba2\u6237\u673a\u7684\u54cd\u5e94\u6d88\u606f\u3002\u8fd9\u4e24\u79cd\u7c7b\u578b\u7684\u6d88\u606f\u7531\u4e00\u4e2a\u8d77\u59cb\u884c\uff0c\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u5934\u57df\uff0c\u4e00\u4e2a\u53ea\u662f\u5934\u57df\u7ed3\u675f\u7684\u7a7a\u884c\u548c\u53ef\u9009\u7684\u6d88\u606f\u4f53\u7ec4\u6210\u3002HTTP\u7684\u5934\u57df\u5305\u62ec\u901a\u7528\u5934\uff0c\u8bf7\u6c42\u5934\uff0c\u54cd\u5e94\u5934\u548c\u5b9e\u4f53\u5934\u56db\u4e2a\u90e8\u5206\u3002\u6bcf\u4e2a\u5934\u57df\u7531\u4e00\u4e2a\u57df\u540d\uff0c\u5192\u53f7\uff08:\uff09\u548c\u57df\u503c\u4e09\u90e8\u5206\u7ec4\u6210\u3002\u57df\u540d\u662f\u5927\u5c0f\u5199\u65e0\u5173\u7684\uff0c\u57df\u503c\u524d\u53ef\u4ee5\u6dfb\u52a0\u4efb\u4f55\u6570\u91cf\u7684\u7a7a\u683c\u7b26\uff0c\u5934\u57df\u53ef\u4ee5\u88ab\u6269\u5c55\u4e3a\u591a\u884c\uff0c\u5728\u6bcf\u884c\u5f00\u59cb\u5904\uff0c\u4f7f\u7528\u81f3\u5c11\u4e00\u4e2a\u7a7a\u683c\u6216\u5236\u8868\u7b26\u3002<\/strong><\/p>\n

 <\/p>\n

\u3000\u30002\u3001PHP\u8d85\u5168\u5c40\u53d8\u91cf<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000\u8d85\u5168\u5c40\u53d8\u91cf<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000php\u4e2d\u8bb8\u591a\u9884\u5b9a\u4e49\u53d8\u91cf\u90fd\u662f\u8d85\u5168\u5c40\u53d8\u91cf\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u5728\u4e00\u4e2a\u811a\u672c\u7684\u5168\u90e8\u4f5c\u7528\u57df\u4e2d\u90fd\u53ef\u7528<\/strong>\u3000\u3000<\/strong><\/p>\n

 <\/p>\n

$_REQUEST(\u83b7\u53d6GET\/POST\/COOKIE)COOKIE\u5728\u65b0\u7248\u672c\u5df2\u7ecf\u65e0\u6cd5\u83b7\u53d6\u4e86<\/strong>
\n\u3000\u3000$_POST(\u83b7\u53d6POST\u4f20\u53c2)<\/strong>
\n\u3000\u3000$_GET(\u83b7\u53d6GET\u4f20\u53c2)<\/strong>
\n\u3000\u3000$_COOKIE(\u83b7\u53d6COOKIE\u4f20\u53c2)<\/strong>
\n\u3000\u3000$_SERVER(\u5305\u542b\u4e86\u8bf8\u5982\u5934\u4fe1\u606f\uff08header\uff09\u3001\u8def\u5f84\uff08path\uff09\u3001\u4ee5\u53ca\u811a\u672c\u4f4d\u7f6e\uff08script locations\uff09\u7b49\u7b49\u4fe1\u606f\u7684\u6570\u7ec4)<\/strong>
\n\u3000\u3000$_SERVER[‘HTTP_REFERER’]\u83b7\u53d6referer\u8bf7\u6c42\u5934\u6570\u636e<\/strong>
\n\u3000\u3000$_SERVER[“HTTP_USER_AGENT”]\u83b7\u53d6\u7528\u6237\u76f8\u5173\u4fe1\u606f\uff0c\u5305\u62ec\u7528\u6237\u6d4f\u89c8\u5668\u3001\u64cd\u4f5c\u7cfb\u7edf\u7b49\u4fe1\u606f<\/strong>
\n\u3000\u3000$_SERVER[“REMOTE_ADDR”]\u6d4f\u89c8\u7f51\u9875\u7684\u7528\u6237ip<\/strong><\/p>\n

 <\/p>\n

\n

\u3000\u3000User-Agent\uff1a\u670d\u52a1\u5668\u83b7\u53d6\u5ba2\u6237\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6d4f\u89c8\u5668\u7248\u672c\u7b49\uff0c\u6709\u4e9b\u7f51\u7ad9\u4e2d\u4f1a\u5c06\u83b7\u53d6\u7684\u4fe1\u606f\u5b58\u5165\u6570\u636e\u5e93\u4e2d<\/strong><\/p>\n

\u3000\u3000Cookie\uff1a\u8eab\u4efd\u4fe1\u606f\u3001\u8fdb\u884c session \u8ddf\u8e2a\u800c\u50a8\u5b58\u5728\u7528\u6237\u672c\u5730\u7ec8\u7aef\u4e0a\u7684\u6570\u636e\uff0c\u4e00\u822c\u4f1a\u52a0\u5bc6.<\/strong><\/p>\n

\u3000\u3000X-Forwarded-For\uff1aXFF\u5934\uff0c\u4ee3\u8868\u5ba2\u6237\u7aef\uff0cHTTP\u7684\u8bf7\u6c42\u7aef\u771f\u5b9e\u7684IP\uff0c\u6709\u4e9b\u7f51\u7ad9\u7684\u9632\u6ce8\u5165\u529f\u80fd\u4f1a\u8bb0\u5f55\u8bf7\u6c42\u7aef\u771f\u5b9eIP\u5730\u5740\u5e76\u5199\u5165\u6570\u636e\u5e93\uff0c\u4fee\u6539XXF\u5934\u53ef\u865a\u5047IP<\/strong><\/p>\n

\u3000\u3000Rerferer\uff1a\u6d4f\u89c8\u5668\u544a\u8bc9WEB \u670d\u52a1\u5668\u662f\u4ece\u54ea\u4e2a\u9875\u9762\u94fe\u63a5\u8fc7\u6765\u7684.<\/strong><\/p>\n

\u3000\u3000Host\uff1a\u5ba2\u6237\u7aef\u6307\u5b9a\u8bbf\u95ee\u7684WEB\u670d\u52a1\u5668\u7684\u57df\u540d\/IP \u5730\u5740\u548c\u7aef\u53e3\u53f7<\/strong><\/p>\n<\/div>\n

 <\/p>\n

\u3000\u30003\u3001updatexml()\u51fd\u6570<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000updatexml() \u66f4\u65b0xml\u6587\u6863\u7684\u51fd\u6570<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000\u8bed\u6cd5\uff1aupdatexml(\u76ee\u6807xml\u5185\u5bb9\uff0cxml\u6587\u6863\u8def\u5f84\uff0c\u66f4\u65b0xml\u5185\u5bb9)<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000OK\uff0c\u8fd9\u91cc\u770b\u4e0a\u53bb\u662f\u53bb\u66f4\u65b0\u4e86xml\u6587\u6863\uff0c\u5b9e\u9645\u4e0a\u5728xml\u6587\u6863\u8def\u5f84\u7684\u4f4d\u7f6e\u5199\u4e86\u5b50\u67e5\u8be2\u8bed\u53e5\uff0c\u7136\u540e\u8f93\u5165\u7279\u6b8a\u5b57\u7b26\uff0c\u4e4b\u540e\u56e0\u4e3a\u4e0d\u7b26\u5408\u8f93\u5165\u89c4\u5219\u62a5\u9519\u4e86\uff0c\u5176\u5b9e\u5728\u62a5\u9519\u7684\u65f6\u5019\u5df2\u7ecf\u6267\u884cl\u5b50\u67e5\u8be2\u8bed\u53e5<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000\u3010xml\u6587\u6863\u8def\u5f84 \u586b\u5199 \uff1a0x7e\u3011<\/strong><\/p>\n

 <\/p>\n

\u3000\u3000concat()\u662f\u62fc\u63a5\u5b57\u7b26\u4e32\u51fd\u6570<\/strong><\/p>\n

 <\/p>\n

\n
\n
\n\n\n\n
\n
1<\/div>\n<\/td>\n
\n
\n
updatexml(1,concat(0x7e,(<\/code>select<\/code>\u00a0database<\/code>()),0x7e),1)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

 <\/p>\n

\u3000\u3000why? 0x7e\u662f16\u8fdb\u5236\uff0cMySQL\u5b57\u7b26\u4e32\u662f\u652f\u6301\u5341\u516d\u8fdb\u5236\u7684\uff0c\u6709\u4e2a\u524d\u63d0\uff1a\u5f00\u5934\u987b\u51990x \uff0c\u8fd9\u5c31\u662f\u544a\u8bc9MySQL\u4e0b\u9762\u8981\u5f00\u59cb\u5341\u516d\u8fdb\u5236\u4e86\u3002\u800c7e\u624d\u662f\u5341\u516d\u8fdb\u5236\u7684\u5185\u5bb9\uff0c7e\u662f\u4e2a\u7279\u6b8a\u7b26\u53f7\uff0c\u4e00\u5b9a\u4e0d\u7b26\u5408\u8def\u5f84\u89c4\u5219<\/strong><\/p>\n

https:\/\/www.cnblogs.com\/yyy413\/p\/15674290.html<\/p>\n","protected":false},"excerpt":{"rendered":"

SQL\u6ce8\u5165\u8be6\u7ec6\u8bb2\u89e3\u6982\u62ec-GET\u6ce8\u5165\u3001POST\u6ce8\u5165\u3001HEAD\u6ce8…<\/p>\n","protected":false},"author":1,"featured_media":1053,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-webanquan"],"_links":{"self":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/1015","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1015"}],"version-history":[{"count":2,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/1015\/revisions"}],"predecessor-version":[{"id":1055,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/1015\/revisions\/1055"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/media\/1053"}],"wp:attachment":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}