Jigsaw DOS device request denial of service

jigsaw-dos-device-dos (9587) The risk level is classified as MediumMedium Risk


Jigsaw is vulnerable to a denial of service attack caused by improper handling of requests for DOS device names. If a remote attacker sends multiple requests for a DOS device, the attacker could cause the Web server to consume all available server resources. The server must be restarted to regain normal functionality.


Denial of Service


Upgrade to the latest version of Jigsaw (2.2.1 Build 20020711 or later), available from the Jigsaw Web page. See References.


  • Full-Disclosure Mailing List, 2002-07-17 9:36:45: KPMG-2002034: Jigsaw Webserver DOS device DoS .
  • Jigsaw Web site: Index of 20020711.
  • Jigsaw Web site: Jigsaw Overview.
  • BID-5251: W3C Jigsaw Device Name Path Disclosure Vulnerability
  • BID-5258: W3C Jigsaw DOS Device Thread Exhaustion Denial Of Service Vulnerability
  • CVE-2002-1052: Jigsaw 2.2.1 on Windows systems allows remote attackers to use MS-DOS device names in HTTP requests to (1) cause a denial of service using the con device, or (2) obtain the physical path of the server using two requests to the aux device.

Platforms Affected:

  • W3C Jigsaw 2.2.1


Jul 17, 2002

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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