Fortinet FortiGate FTP ESPV security bypass

fortinet-ftp-espv-security-bypass (27532) The risk level is classified as MediumMedium Risk

Description:

Fortinet FortiOS (FortiGate) using the FTP Anti-Virus gateway scanning service could allow a remote attacker to bypass security restrictions caused by an error in the FTP proxy when using Enhanced Passive FTP (EPSV). A remote attacker using a malicious FTP client could exploit this vulnerability to bypass security restrictions and upload malicious files to a victim's system.


Consequences:

Bypass Security

Remedy:

Refer to FortiGuard Advisory (FGA-2006-15) for upgrade information. See References.

References:

  • FortiGuard Advisory (FGA-2006-15): Advisory - FTP Anti-Virus scanning application bypass vulnerability.
  • Fortinet FortiOS Web site: Fortinet Award-Winning Products: complete, real-time network protection solutions.
  • BID-18570: Fortinet FortiGate FTP Proxy Antivirus Engine Bypass Vulnerability
  • CVE-2006-3222: The FTP proxy module in Fortinet FortiOS (FortiGate) before 2.80 MR12 and 3.0 MR2 allows remote attackers to bypass anti-virus scanning via the Enhanced Passive (EPSV) FTP mode.
  • OSVDB ID: 26736: FortiGate on Linux FTP EPSV Anti-Virus Scanning Bypass
  • SA20720: FortiGate FTP Anti-Virus Scanning Bypass Vulnerability
  • VUPEN/ADV-2006-2467: Fortinet FortiOS FTP EPSV Command AntiVirus Scanning Bypass Vulnerability

Platforms Affected:

  • Fortinet Fortinet FortiOS (FortiGate) prior to 2.80 MR12
  • Fortinet Fortinet FortiOS (FortiGate) prior to 3.0 MR2

Reported:

Jun 21, 2006

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