SurgeFTP PASV denial of service

surgeftp-pasv-dos (35376) The risk level is classified as MediumMedium Risk


SurgeFTP is vulnerable to a denial of service, caused by a vulnerability when handling PASV commands. By sending a specially-crafted PASV command, a remote attacker could exploit this vulnerability to crash the server.


Base Score: 3.5
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
Temporal Score: 2.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed


Denial of Service


Upgrade to the latest version of SurgeFTP (7/12/2007 or later), available from the SurgeFTP Web site. See References.


  • Portcullis Security Advisory 06-061: SurgeFTP 2.3a1 - Denial Of Service.
  • SurgeFTP Web site: SurgeFTP -- Unix/Windows Ftp Server Software.
  • BID-24892: NetWin SurgeFTP Multiple Remote Vulnerabilities
  • CVE-2007-3768: The mirror mechanism in SurgeFTP 2.3a1 allows user-assisted, remote FTP servers to cause a denial of service (restart) via a malformed response to a PASV command.
  • OSVDB ID: 37909: NetWin SurgeFTP Mirror Mechanism PASV Response DoS
  • SA26061: SurgeFTP Denial of Service and Script Insertion Vulnerability

Platforms Affected:

  • NetWin SurgeFTP Server 2.3a1


Jul 12, 2007

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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