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Bugzilla "syncshadowdb" Script Insecure Temporary File Creation
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Secunia Advisory:
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SA18218
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Release Date:
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2005-12-26
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Last Update:
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2005-12-28
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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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Vendor Patch
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| Software: | Bugzilla 2.x
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| | CVE reference: | CVE-2005-4534 (Secunia mirror)
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Description:
Javier Fernandez-Sanguino Pena has reported a vulnerability in Bugzilla, 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 the "tmpsyncshadow" temporary file being created insecurely by the "syncshadowdb" script in the temporary directory. This can be exploited via symlink attacks to overwrite arbitrary files with the privileges of the user running the affected script.
Successful exploitation requires that the malicious user is able to write to the temporary directory.
The vulnerability has been reported in versions 2.9 through 2.16.10.
Solution:
Apply patch.
https://bugzilla.mozilla.org/show_bug.cgi?id=305353
Provided and/or discovered by:
Javier Fernandez-Sanguino Pena
Changelog:
2005-12-28: Updated "Solution" and "Description" sections, and added CVE reference.
Original Advisory:
Debian:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=329387
Mozilla:
http://www.bugzilla.org/security/2.16.10-nr/
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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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