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Zsh difflog.pl Insecure Temporary Files
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Secunia Advisory:
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SA27899
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Release Date:
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2007-12-03
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Last Update:
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2007-12-05
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Popularity:
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2,625 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: | Zsh 4.x
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| CVE reference: | CVE-2007-6209
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Description:
A security issue has been reported in Zsh, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
The security issue is caused due to the Util/difflog.pl script using temporary files in an insecure manner. This can be exploited to overwrite or delete arbitrary files via symlink attacks.
The security issue is reported in version 4.3.4. Other versions may also be affected.
Solution:
Restrict local access to trusted users only.
Provided and/or discovered by:
Gentoo credits Elias Pipping.
Changelog:
2007-12-05: Added CVE reference.
Original Advisory:
https://bugs.gentoo.org/show_bug.cgi?id=201022
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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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