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TITLE:
Symantec Brightmail AntiSpam Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA16733

VERIFY ADVISORY:
http://secunia.com/advisories/16733/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Symantec Brightmail AntiSpam 6.x
http://secunia.com/product/3656/

DESCRIPTION:
Two vulnerabilities have been reported in Brightmail, which
potentially can be exploited by malicious people to cause a DoS
(Denial of Service).

1) An error in the antivirus when scanning or cleaning certain
messages (e.g. containing deeply nested zip files) may be exploited
to cause the antivirus to process the messages for an extended period
of time.

2) An error in the decomposer when processing messages containing
winmail.dat objects embedded in a MIME file may be exploited to crash
the decomposer.

The vulnerabilities have been reported in version 6.0.2.

SOLUTION:
Apply patch 157.
ftp://ftp.symantec.com/public/english_us_canada/products/sba/sba_60x/updates/patch157.zip

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
ftp://ftp.symantec.com/public/english_us_canada/products/sba/sba_60x/updates/release_notes_p157.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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