TWiki rdiff and preview restricted content access

twiki-restricted-content-access (25444) The risk level is classified as MediumMedium Risk

Description:

TWiki could allow a remote attacker to gain access to restricted content. The rdiff and preview scripts fail to enforce access control restrictions. A remote attacker could use these scripts to gain unauthorized access to restricted TWiki content.


Consequences:

Obtain Information

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 Rdiff and Preview Scripts Ignore Access Control Settings (CVE-2006-1386).
  • BID-17268: TWiki Remote Information Disclosure Vulnerability
  • CVE-2006-1386: The (1) rdiff and (2) preview scripts in TWiki 4.0 and 4.0.1 ignore access control settings, which allows remote attackers to read restricted areas and access restricted content in TWiki topics.
  • SA19410: TWiki Restricted Content Access and Denial of Service
  • SECTRACK ID: 1015843: TWiki Access Control Bugs in rdiff and preview May Let Remote Users Access Restricted Content
  • VUPEN/ADV-2006-1116: TWiki Remote Denial of Service and Content Restriction Bypass Vulnerabilities

Platforms Affected:

  • TWiki TWiki 4.0.0
  • TWiki TWiki 4.0.1

Reported:

Mar 25, 2006

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