TWiki INCLUDE edit denial of service

twiki-include-edit-dos (25445) The risk level is classified as MediumMedium Risk

Description:

TWiki could allow a remote attacker with edit rights to cause a denial of service, caused by a vulnerability in the INCLUDE function. A remote attacker could exploit this vulnerability by adding a recursive INCLUDE directive when editing a wiki page to cause the consumption of all available memory resources on the server, resulting in a denial of service.


Consequences:

Denial of Service

Remedy:

Apply the hotfix for this vulnerability or upgrade to the latest version of TWiki (4.0.2 or later), available from the TWiki Web site. See References.

References:

  • TWiki Web site: Security Alert: TWiki INCLUDE function allows DoS Attack on Itself (CVE-2006-1387).
  • BID-17267: TWiki Remote Denial Of Service Vulnerability
  • CVE-2006-1387: TWiki 4.0, 4.0.1, and 20010901 through 20040904 allows remote authenticated users with edit rights to cause a denial of service (infinite recursion leading to CPU and memory consumption) via INCLUDE by URL statements that form a loop, such as a page that includes itself.
  • SA19410: TWiki Restricted Content Access and Denial of Service
  • VUPEN/ADV-2006-1116: TWiki Remote Denial of Service and Content Restriction Bypass Vulnerabilities

Platforms Affected:

  • TWiki TWiki 20010901
  • TWiki TWiki 20011201
  • TWiki TWiki 20030201
  • TWiki TWiki 20040901
  • TWiki TWiki 20040902
  • TWiki TWiki 20040903
  • TWiki TWiki 20040904
  • TWiki TWiki 4.0.0
  • TWiki TWiki 4.0.1

Reported:

Mar 25, 2006

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