Description
用友 U9 中存在任意文件上传漏洞，此漏洞是由于未充分验证用户输入PatchFile.asmx的数据所导致的。
用友 U9 PatchFile.asmx 任意文件上传漏洞
PoC
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https://github.com/adysec/POC/blob/main/wpoc/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8B-U9-PatchFile.asmx%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E.md
https://wiki.tntsec.com/docs/bug/oa/%E7%94%A8%E5%8F%8B/%E7%94%A8%E5%8F%8BGRP-U9%E5%AD%98%E5%9C%A8PatchFile.asmx%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E.html
https://blog.csdn.net/qq_36334672/article/details/136449407
https://cn-sec.com/archives/2443536.html
https://zhuanlan.zhihu.com/p/1932214870562047555
https://gitea.com/Run0nceEx/POC