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Secunia Advisory SA10148

MAILsweeper Malformed Zip Archive Virus Detection Bypass
Secunia Advisory SA10148
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DOWNLOAD PSI
Release Date 2003-11-05
Last Update 2003-11-26
   
Popularity 8,868 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact Security Bypass
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
Remediation status Secunia CSI, Secunia PSI
Automated scanning Secunia CSI, Secunia PSI
   
Software:
CS MAILsweeper 4.x for SMTP
Secunia CVSS Score Available in Customer Area
CVE Reference(s) No CVE references.
  

Description

A vulnerability has been identified in MAILsweeper for SMTP 4.3, which can be exploited by malicious people to bypass the virus detection.

The vulnerability is caused due to an error when checking certain malformed Zip archives (eg. those generated by some Mimail worm variants). This can be exploited to send a virus through the MAILsweeper without it being detected.


Solution
Apply patch for version 4.3_10 (Technology Update Version 1.4_9):
Further details available in Customer Area

Original Advisory
http://www.clearswift.com/download/bin/Patches/CS_Patches_364_609_Readme.htm

Deep Links
Links available in Customer Area


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: MAILsweeper Malformed Zip Archive Virus Detection Bypass
 
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