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TITLE:
MDaemon Content Filter Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA16173

VERIFY ADVISORY:
http://secunia.com/advisories/16173/

CRITICAL:
Highly critical

IMPACT:
Manipulation of data, System access

WHERE:
>From remote

SOFTWARE:
MDaemon 8.x
http://secunia.com/product/5407/

DESCRIPTION:
Secunia Research has discovered a vulnerability in MDaemon, which can
be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an input validation error in
MDaemon's content filter. This can be exploited to write files to
arbitrary directories via e.g. a specially crafted email containing a
virus-infected attachment with directory traversal sequences in its
filename (e.g. "../../../../../file.exe").

Successful exploitation causes the file to be quarantined to an
arbitrary directory (e.g. the startup folder), but requires the
attachment quarantine feature is enabled.

The vulnerability has been confirmed in version 8.0.4. Prior versions
may also be affected.

SOLUTION:
Update to version 8.1.0.

PROVIDED AND/OR DISCOVERED BY:
Tan Chew Keong, Secunia Research.

ORIGINAL ADVISORY:
Alt-N Technologies:
http://files.altn.com/MDaemon/Release/RelNotes_en.txt

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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