Jigsaw DOS device request denial of service

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

Description:

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.


Consequences:

Denial of Service

Remedy:

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

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

Reported:

Jul 17, 2002

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