A privilege escalation vulnerability exists in the IBM Rational ClearCase remote client command line script.
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CVE ID: CVE-2013-5373
DESCRIPTION: A file permissions problem 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
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/86791 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Affected Products and Versions
Rational ClearCase 126.96.36.199 through 188.8.131.52, and 8.0.1.
Upgrade to one of the below versions of IBM Rational ClearCase:
Workarounds and Mitigations
Workaround: Remove group and world write permissions from the following two files on all hosts with the RemoteClient installation:
Mitigation: Do not execute the script without first examining its contents and those of the associated conf file.
* 16 September 2013: Original Copy Published
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.