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MailScanner "trend-autoupdate" Insecure Temporary Files
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Secunia Advisory:
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SA32730
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Release Date:
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2008-11-20
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Last Update:
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2008-12-12
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Popularity:
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815 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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Vendor Patch
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| Software: | MailScanner 4.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2008-5140
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Description:
A security issue has been reported in MailScanner, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
The security issue is caused due to the "trend-autoupdate" 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 4.55.10. Other versions may also be affected.
Solution:
Update to version 4.73.4-2.
http://mailscanner.info/downloads.html
Provided and/or discovered by:
Reported by Dmitry E. Oboukhov via the "debian-devel" mailing list.
Changelog:
2008-11-25: Updated "Solution" section with information about the fixed beta version 4.73.2-1. Added vendor link to the "Original Advisory" section.
2008-12-12: Updated "Solution" section.
Original Advisory:
Dmitry E. Oboukhov:
http://lists.debian.org/debian-devel/2008/08/msg00285.html
MailScanner:
http://www.mailscanner.info/ChangeLog
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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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