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pam_mount "passwdehd" Insecure Temporary Files
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Secunia Advisory:
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SA32780
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Release Date:
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2008-11-20
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Popularity:
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745 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: | pam_mount 0.x
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| CVE reference: | CVE-2008-5138
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Description:
A security issue has been reported in pam_mount, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
The security issue is caused due to the "scripts/passwdehd" script using temporary files in an insecure manner. This can be exploited to e.g. overwrite arbitrary files via symlink attacks.
The security issue is reported in version 0.43. Other versions may also be affected.
Solution:
Restrict local access to trusted users only.
Upgrade to version 1.0 or later.
Provided and/or discovered by:
Reported by Dmitry E. Oboukhov via the "debian-devel" mailing list.
Original Advisory:
http://lists.debian.org/debian-devel/2008/08/msg00285.html
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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.
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