Ipswitch WS_FTP Server file path parsing denial of service

wsftp-file-parsing-dos (17155) The risk level is classified as MediumMedium Risk

Description:

WS_FTP Server is vulnerable to a denial of service attack, caused by a vulnerability when parsing file paths. A remote authenticated attacker could exploit this vulnerability to consume the available CPU resources.


Consequences:

Denial of Service

Remedy:

No remedy available as of July 9, 2011.

References:

  • WS_FTP Server Web page: WS_FTP Server - The Secure File Transfer Solution.
  • BID-11065: Ipswitch WS_FTP Server CD Command Malformed File Path Remote Denial of Service Vulnerability
  • CVE-2004-1643: WS_FTP 5.0.2 allows remote authenticated users to cause a denial of service (CPU consumption) via a CD command that contains an invalid path with a ../ sequence.
  • SA12406: WS_FTP Server File Path Parsing Denial of Service Vulnerability

Platforms Affected:

  • Ipswitch WS_FTP Server 5.02

Reported:

Aug 31, 2004

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