SurgeFTP PASV denial of service

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

Description:

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.

*CVSS:

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

Consequences:

Denial of Service

Remedy:

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

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

Reported:

Jul 12, 2007

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