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NeoMail neomail-prefs.pl Missing Session ID Validation
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Secunia Advisory:
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SA18785
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Release Date:
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2006-02-14
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Last Update:
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2006-02-17
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Popularity:
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4,874 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | NeoMail 1.x
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2006-0711
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Description:
Secunia Research has discovered a vulnerability in NeoMail, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerability is caused due to missing validation of the Session ID in the "addfolder()" and "deletefolder()" functions in neomail-prefs.pl. This can be exploited to create mail-folder files in arbitrary directories writable by the mail group (e.g. in users' "/var/neomail/users" NeoMail directories), and to delete mail-folder files created by arbitrary users if the names of the folder files are known.
Successful exploitation requires that NeoMail is configured with $homedirfolders = 'no' and $homedirspools = 'no'.
The vulnerability has been confirmed in version 1.28. Prior versions may also be affected.
Solution:
Update to version 1.29.
http://sourceforge.net/project/showfiles.php?group_id=2874
Provided and/or discovered by:
Tan Chew Keong, Secunia Research.
Changelog:
2006-02-17: Added CVE reference.
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2006-3/advisory/
NeoMail:
http://sourceforge.net/project/shownotes.php?release_id=392562&group_id=2874
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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