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Insecure Library Loading
Less critical

BitchX "e_hostname()" Insecure Temporary File Creation

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Release Date:  2007-11-05    Last Update:  2007-11-07    Views:  8,655

Secunia Advisory SA27463

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


A security issue has been reported in BitchX, which can be exploited by malicious, local users to perform certain actions with escalated privileges.

The security issue is caused due to the "e_hostname()" function creating a temporary file insecurely using the "tmpnam()" function when the user issues the "HOSTNAME" or the "IRCHOST" command. This can be exploited to overwrite arbitrary files on the local system with the privileges of the user running BitchX.

The security issue is reported in version 1.1a. Other versions may also be affected.


Solution:
Restrict access to trusted users only. Do not use the "HOSTNAME" and "IRCHOST" commands.

Provided and/or discovered by:
Nico Golde, Debian

Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=449149

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: BitchX "e_hostname()" Insecure Temporary File Creation

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