Ipswitch WS_FTP Server FTP Log Server denial of service

ipswitch-ftplogserver-dos (35396) The risk level is classified as MediumMedium Risk

Description:

Ipswitch WS_FTP Server is vulnerable to a denial of service, caused by a vulnerability in the FTP Log Server (ftplogsrv.exe). By sending multiple specially-crafted datagrams to UDP port 5151, a remote attacker could exploit this vulnerability to cause the server to crash.

*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 WS_FTP Server (6.1 or later), available from the Ipswitch Web site. See References.

References:

  • Ipswitch Web site: Release Notes for WS_FTP Server 6.1.1 and WS_FTP Server 6.1.1 with SSH, Fixed in 6.1.
  • Ipswitch WS_FTP Server Web site: WS_FTP Server 2007 - FTP Server for Windows.
  • VDA Labs Web site: IPSwitch WS_FTP Logging Server Remote Denial of Service.
  • CVE-2007-3823: The Logging Server (Logsrv.exe) in IPSwitch WS_FTP 7.5.29.0 allows remote attackers to cause a denial of service (daemon crash) by sending a crafted packet containing a long string to port 5151/udp.
  • OSVDB ID: 36218: WS_FTP Logging Server (Logsrv.exe) Crafted Packet Remote DoS
  • OSVDB ID: 41100: WS_FTP Server FTP Log Server UDP Packet Handling Remote DoS
  • SA26040: Ipswitch WS_FTP Server FTP Log Server Denial of Service Vulnerability

Platforms Affected:

  • Ipswitch FTP Log Server 7.5.29.0
  • Ipswitch FTP Log Server 7.9.14.0
  • Ipswitch WS_FTP Server 6

Reported:

Jul 11, 2007

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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 IBM 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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