Tan Chew Keong has reported a vulnerability in 602LAN SUITE, which can be exploited by malicious webmail users to compromise a vulnerable system.

The vulnerability is caused due to an input validation error in the webmail functionality when handling attachment uploads and can be exploited via directory traversal attacks to upload files to arbitrary locations on the server.

Successful exploitation allows execution of arbitrary code by e.g. uploading a malicious EXE file to the "/cgi-bin" directory and then access it.

The vulnerability has been reported in version 2004.0.04.1221. Other versions may also be affected.

Solution
Update to version 2004.0.05.0207.

Provided and/or discovered by
Tan Chew Keong

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://www.security.org.sg/vuln/602lansuite1221.html

Deep Links
Links available to Secunia VIM customers