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Security Advisory FSC-2007-6

Vulnerabilities in scanning of specially crafted archives and certain packed executables

Date issued 2007-09-27
Last updated 2007-09-27
Risk factor High (Low/Medium/High/Critical)
Brief description Specially crafted archives and packed executables can bypass antivirus scanning.
Software F-Secure Anti-Virus for Windows Servers version 7.00
Affected versions F-Secure Anti-Virus for Windows Servers version 7.00
Affected platforms Windows Server 2003 64-bit edition for x64 processors
Advisory location http://www.f-secure.com/security/fsc-2007-6.shtml
Issue Placing a specially crafted archive or packed executable into the system32 folder may allow an attacker to bypass F-Secure's antivirus.
Products F-Secure Anti-Virus for Windows Servers version 7.00
Risk factor High
Mitigating factors
  • Exploitation of the vulnerabilities requires specially crafted archives or packed executables.
  • Issue only exists on 64-bit server platforms.
  • There are no known exploits.

Available patches:

Product Versions Download
F-Secure Anti-Virus for Windows Servers 7.00 ftp://ftp.f-secure.com/support/hotfix/fsav/fsav720-01-signed.fsfix
Credits F-Secure wants to thank Mr Papadorotheoun for pinpointing this issue.
Revision history FSC-2007-6 / 2007-09-27

Contact information:
Support: http://www.f-secure.com/en_US/support/