F-Secure Anti-Virus password protected archive bypass antivirus protection

fsecure-password-antivirus-bypass (17944) The risk level is classified as MediumMedium Risk

Description:

F-Secure Anti-Virus could allow a remote attacker to bypass antivirus protection. By nesting a malicious password protected file within a ZIP archive, a remote attacker could bypass antivirus protection.


Consequences:

Bypass Security

Remedy:

Apply the fsavmse631-02 HotFix for your system, available from the F-Secure Anti-Virus HotFix FTP page. See References.

References:

  • F-Secure Anti-Virus HotFix FTP page: F-Secure Anti-Virus for Microsoft Exchange Version 6.30 and 6.31 Post-Release Fix.
  • BID-11600: F-Secure Anti-Virus For Microsoft Exchange Password Protected Archive Scanner Bypass Vulnerability
  • CVE-2004-2220: F-Secure Anti-Virus for Microsoft Exchange 6.30 and 6.31 does not properly detect certain password-protected files in a ZIP file, which allows remote attackers to bypass anti-virus protection.
  • OSVDB ID: 11395: F-Secure Anti-Virus for Microsoft Exchange Nested Password Protected Archives Bypass
  • SA13067: F-Secure Anti-Virus for Exchange Nested Password Protected Archives Bypass Issue
  • SECTRACK ID: 1012057: F-Secure Anti-Virus for Microsoft Exchange Lets Remote Users Bypass Anti-Virus Detection With a ZIP Archive

Platforms Affected:

  • F-Secure Anti-Virus for MS Exchange 6.30
  • F-Secure Anti-Virus for MS Exchange 6.30 SR1
  • F-Secure Anti-Virus for MS Exchange 6.31

Reported:

Nov 03, 2004

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