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Qpopper poppassd Insecure Trace File Creation Vulnerability

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Release Date:  2005-09-26    Last Update:  2005-10-04    Views:  12,392

Secunia Advisory SA16935

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


kcope has discovered a vulnerability in Qpopper, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.

The vulnerability is caused due to trace files being created without dropping root privileges, and with insecure file permissions by "poppassd", which is suid root. This can be exploited to create or modify arbitrary files with the privileges of the root user.

The vulnerability has been confirmed in version 4.0.8. Other versions may also be affected.


Solution:
Grant only trusted users access to affected systems.

Provided and/or discovered by:
kcope

Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2005-September/037377.html

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: Qpopper poppassd Insecure Trace File Creation Vulnerability

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