ikonboard Arbitrary Command Execution Vulnerability

ikonboard is a forum management software package available from ikonboard.com. A problem exists with could allow users access to restricted resources.

The problem occurs in the operation of the register.cgi script. Due to insufficient checking of input, it is possible to execute system binaries as the effective userid of the web server process. By setting the $SEND_MAIL variable in the URL, it is possible to specify the binary to execute as the httpd userid, and then register to execute the program. This design flaw makes it possible for a user with malicious intent to gain local access to a system running ikonboard.


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