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TITLE:
Mozilla Thunderbird MIME Processing Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA29133

VERIFY ADVISORY:
http://secunia.com/advisories/29133/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Mozilla Thunderbird 2.x
http://secunia.com/product/14070/

DESCRIPTION:
A vulnerability has been reported in Mozilla Thunderbird, which can
be exploited by malicious people to potentially compromise a user's
system.

The vulnerability is caused due to an error within the handling of
external-body MIME types. This can be exploited to cause a heap-based
buffer overflow with three bytes by tricking a user into viewing a
specially crafted email.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in version 2.0.0.9. Prior versions may
also be affected.

SOLUTION:
Update to version 2.0.0.12.

PROVIDED AND/OR DISCOVERED BY:
regenrecht, reported via iDefense.

ORIGINAL ADVISORY:
iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=668

Mozilla Foundation:
http://www.mozilla.org/security/announce/2008/mfsa2008-12.html

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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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