Movable Type system-wide entry listing screen security bypass

mt-entrylistingscreen-security-bypass (47759) The risk level is classified as LowLow Risk

Description:

An unspecified error in Movable Type could allow a remote authenticated attacker with create permission for posts to bypass security restrictions. An attacker could exploit this vulnerability to publish posts via a system-wide entry listing screen.

*CVSS:

Base Score: 3.5
  Access Vector: Network
  Access Complexity: Medium
  Authentication: Single
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 2.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Upgrade to the latest version of Movable Type (4.23 or later), available from the Movable Type Web site. See References.

References:

  • Movable Type Web site: MT 4.23 Change Log | MovableType.org - Home of the MT Community.
  • BID-33133: Movable Type 'publish post' Security Bypass Vulnerability
  • CVE-2008-5846: Six Apart Movable Type (MT) before 4.23 allows remote authenticated users with create permission for posts to bypass intended access restrictions and publish posts via a system-wide entry listing screen.
  • OSVDB ID: 51186: Movable Type System-wide Entry Listing Screen Access Restriction Bypass
  • OSVDB ID: 53471: Movable Type System-wide Entry Post Access Restriction Bypass

Platforms Affected:

  • Six Apart Movable Type 3.01d
  • Six Apart Movable Type 3.0D
  • Six Apart Movable Type 3.1
  • Six Apart Movable Type 3.11
  • Six Apart Movable Type 3.12
  • Six Apart Movable Type 3.14
  • Six Apart Movable Type 3.15
  • Six Apart Movable Type 3.16
  • Six Apart Movable Type 3.17
  • Six Apart Movable Type 3.2
  • Six Apart Movable Type 3.3
  • Six Apart Movable Type 3.32
  • Six Apart Movable Type 3.33
  • Six Apart Movable Type 3.34
  • Six Apart Movable Type 3.35
  • Six Apart Movable Type 4.2
  • Six Apart Movable Type 4.21

Reported:

Dec 02, 2008

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