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Berkeley Automounter Suite of Utilities "expn" Insecure Temporary File
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Secunia Advisory:
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SA29144
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Release Date:
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2008-02-29
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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: | Berkeley Automounter Suite of Utilities (am-utils) 6.x
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| | CVE reference: | CVE-2008-1078 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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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
Other References:
SA8797:
http://secunia.com/advisories/8797/
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