IBM Rational ClearCase client script privilege escalation

clearcase-cve20135373-priv-esc (86791) The risk level is classified as MediumMedium Risk

Description:

A file permissions error with a script installed by default with IBM Rational ClearCase could be exploited by a local user to insert additional commands into the script. These commands would be executed by other users (privileged or unprivileged) that execute the script, leading to privilege escalation.

*CVSS:

Base Score: 6.9
  Access Vector: Local
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 5.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Refer to IBM Security Bulletin 1648811 for patch, upgrade or suggested workaround information. See References.

References:

  • IBM Security Bulletin 1648811: Vulnerability in IBM Rational ClearCase remote client with potential for privilege escalation (CVE-2013-5373).
  • BID-62623: IBM Rational ClearCase CVE-2013-5373 Local Privilege Escalation Vulnerability
  • CVE-2013-5373: The RemoteClient component in IBM Rational ClearCase 8.0.0.03 through 8.0.0.07, and 8.0.1, uses world-writable permissions for the rcleartool script, which allows local users to gain privileges by appending commands.
  • OSVDB ID: 97663: IBM Rational ClearCase Unspecified Script Insecure Permissions Local Privilege Escalation

Platforms Affected:

  • IBM Rational ClearCase 8.0.0.3
  • IBM Rational ClearCase 8.0.0.4
  • IBM Rational ClearCase 8.0.0.5
  • IBM Rational ClearCase 8.0.0.6
  • IBM Rational ClearCase 8.0.0.7
  • IBM Rational ClearCase 8.0.1

Reported:

Sep 16, 2013

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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