IBM WebSphere Portal directory traversal

was-portal-cve20124834-traversal (78914) The risk level is classified as HighHigh Risk


IBM WebSphere Portal could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request to view arbitrary files on the system and obtain sensitive information. This information could be used to launch further attacks against the affected system.


Base Score: 7.8
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: None
  Availability Impact: None
Temporal Score: 6.8
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed


Obtain Information


Refer to IBM Flash (Alert) 1617713 for patch, upgrade or suggested workaround information. See References.


  • IBM Security Bulletin 1617713: Security vulnerability in theme component for WebSphere Portal versions 7.0.0.x and 8.0.
  • CVE-2012-4834: Directory traversal vulnerability in LayerLoader.jsp in the theme component in IBM WebSphere Portal and before CF19 and 8.0 before CF03 allows remote attackers to read arbitrary files via a crafted URI.
  • SA51281: IBM WebSphere Portal Theme Component Unspecified Vulnerability

Platforms Affected:

  • IBM WebSphere Portal 7.0
  • IBM WebSphere Portal 8.0


Nov 19, 2012

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