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Berkeley Automounter Suite of Utilities "expn" Insecure Temporary File
Release Date: 2008-02-29 Views: 7,572
Secunia Advisory SA29144
Where:
Local system
Impact:
Privilege escalation,
Solution Status:
Unpatched
CVE Reference(s):
Description
A security issue has been reported in Berkely Automounter Suite of Utilities (am-utils), which can be exploited by malicious, local users to perform certain actions with escalated privileges.
The security issue is caused due to the "expn" script creating temporary files in an insecure manner. This can be exploited to e.g. overwrite arbitrary files with the permissions of another user via symlink attacks.
This is related to:
SA8797
The security issue is reported in version 6.1.5. Other versions may also be affected.
Solution:
Restrict access to trusted users only.
Original Advisory:
https://issues.rpath.com/browse/RPL-2255
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: Berkeley Automounter Suite of Utilities "expn" Insecure Temporary File
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