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Symantec Mail Security for SMTP File Parsing Vulnerabilities Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA27367  
Release Date: 2007-10-26

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Symantec Mail Security for SMTP 4.x
Symantec Mail Security for SMTP 5.x

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Description:
Multiple vulnerabilities have been discovered in Symantec Mail Security for SMTP, which can be exploited by malicious people to cause a DoS (Denial of Service) and compromise a vulnerable system.

The vulnerabilities are caused due to various errors within certain third-party file viewers and can be exploited to cause buffer overflows when a specially crafted file is checked.

The vulnerabilities are related to:
SA27304

Successful exploitation allows execution of arbitrary code, but requires that e.g. a policy is setup for scanning the contents of messages.

The vulnerabilities are confirmed in Symantec Mail Security for SMTP version 5.0.1 without Patch 181 and 182. Prior versions and other products may also be affected.

Solution:
The vulnerabilities have been silently fixed with Patch 181 and 182 for version 5.0.1.
ftp://ftp.symantec.com/public/english...urity/5.0.1_smtp/updates/patch181.zip
ftp://ftp.symantec.com/public/english...urity/5.0.1_smtp/updates/patch182.zip

Provided and/or discovered by:
Originally reported in IBM Lotus Notes advisories crediting:
* ZDI
* Tan Chew-Keong

Other References:
SA27304:
http://secunia.com/advisories/27304/



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.

8 Related Secunia Security Advisories

1. Symantec Mail Security Attachment Parsing Vulnerabilities
2. Symantec Mail Security Lotus 1-2-3 File Viewer Buffer Overflows
3. Symantec Products CAB and RAR Archive Handling Vulnerabilities
4. Symantec Mail Security Executable Attachment Parsing Denial of Service
5. Symantec Mail Security for SMTP Message Handling Vulnerabilities
6. Symantec Products IOCTL Handler Privilege Escalation
7. Symantec AntiVirus Products RAR Archive Virus Detection Bypass
8. Symantec Multiple Products UPX Parsing Engine Buffer Overflow


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