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Moderately critical

Symantec Brightmail AntiSpam / Mail Security Appliance Denial of Service

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Release Date:  2005-09-07    Last Update:  2005-09-22    Views:  14,505

Secunia Advisory SA16733

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

No CVE references.

Description


Two vulnerabilities have been reported in Brightmail and Mail Security 8200 Appliance, 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 the following versions:
* Symantec Brightmail AntiSpam 6.0.1 and 6.0.2
* Symantec Mail Security 8200 Series Appliance

Brightmail AntiSpam on Win32 platforms are not affected.


Solution:
Apply patches.

Further details available to Secunia VIM customers

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
http://securityresponse.symantec.com/avcenter/security/Content/2005.09.21a.html
http://securityresponse.symantec.com/avcenter/security/Content/2005.09.21b.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Symantec Brightmail AntiSpam / Mail Security Appliance Denial of Service

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