Description
用友NCCloud uploadChunk 接口存在任意文件上传漏洞，攻击者利用此漏洞可以上传任意文件到服务器，从而获取服务器权限。
用友NC /attachment/uploadChunk 接口存在任意文件上传漏洞
PoC
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https://www.cnblogs.com/spmonkey/p/18013613
https://github.com/eeeeeeeeee-code/POC/blob/main/wpoc/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8BNC-Cloud%20uploadChunk%20%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://blog.csdn.net/jjjj1029056414/article/details/134913441
https://cn-sec.com/archives/2220744.html
https://zhuanlan.zhihu.com/p/648696100