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Mail::Audit Insecure Log File Creation Vulnerability
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Secunia Advisory:
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SA18652
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Release Date:
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2006-01-31
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Popularity:
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5,457 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Unpatched
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| Software: | Mail::Audit 2.x
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Description:
Niko Tyni has reported a vulnerability in Mail::Audit, 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 log files being created insecurely in the "/tmp" directory by Audit.pm. This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user running a Perl script that uses the affected library.
Successful exploitation requires that logging is enabled.
The vulnerability has been reported in version 2.1. Other versions may also be affected.
Solution:
Grant only trusted users access to affected systems.
Some Linux vendors have issued fixed packages.
Provided and/or discovered by:
Niko Tyni
Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=344029
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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