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Security Bulletin: Tivoli Storage Manager UNIX and Linux Client Local Escalation of Privilege Security Vulnerability (CVE-2014-4813)

Security Bulletin


Summary

Local escalation of privilege security vulnerability in Tivoli Storage Manager UNIX and Linux clients.

Vulnerability Details

CVEID: CVE-2014-4813
DESCRIPTION:
IBM Tivoli Storage Manager (TSM) UNIX and Linux clients could allow a local attacker to increase their privileges caused by a race condition. An attacker could exploit this vulnerability to obtain root level access.

CVSS Base Score: 6.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/95389 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

  • TSM Client 7.1.0.0 through 7.1.0.x
  • TSM Client 6.4.0.0 through 6.4.2.0
  • TSM Client 6.3.0.0 through 6.3.2.2
  • TSM Client 6.2.0.0 through 6.2.5.3
  • TSM Client 6.1.0.0 through 6.1.5.6
  • TSM Client 5.5.0.0 through 5.5.4.3
  • TSM Client 5.4.0.0 through 5.4.3.6

Remediation/Fixes

TSM Release First Fixing VRMF Level Client
Platform
APAR Link to fix
7.1



7.1.1



AIX
HP-UX
Linux
Solaris
Mac
IT04140



http://www-01.ibm.com/support/docview.wss?uid=swg21667934



6.4 6.4.2.1 AIX
HP-UX
Linux
Solaris
Mac
IT04140 http://www-01.ibm.com/support/docview.wss?uid=swg24038504
6.3



6.3.2.3



AIX
HP-UX
Linux
Solaris
Mac
IT04140



http://www-01.ibm.com/support/docview.wss?uid=swg24037930

6.2 6.2.5.4 AIX
HP-UX
Linux
Solaris
Mac
IT04140 http://www.ibm.com/support/docview.wss?uid=swg24036287
6.1 6.1.5.7 AIX
HP-UX
Linux
Solaris
Mac
IT04140 Customers with support extensions on 6.1 should contact IBM Support.
5.5 5.5.4.4 AIX
HP-UX
Linux
Solaris
Mac
IT04140 Customers with support extensions on 5.5 should contact IBM Support.
5.4 5.4.3.7 AIX
HP-UX
Linux
Solaris
Mac
IT04140 Customers with support extensions on 5.4 should contact IBM Support.
7.1 B/A clients in 7.1 TSM for Space Mangement package 7.1.1 AIX
Linux x86
IT04140 http://www.ibm.com/support/docview.wss?uid=swg24039451
6.4 B/A clients in 6.4 TSM for Space Mangement package 6.4.2.1 AIX
Linux x86
IT04140 http://www.ibm.com/support/docview.wss?uid=swg24039454
6.3 B/A clients in 6.3 TSM for Space Management package 6.3.2.3 AIX
Linux x86
IT04140 http://www.ibm.com/support/docview.wss?uid=swg24038153
6.2 B/A clients in 6.2 TSM for Space Management package 6.2.5.4 AIX
Linux x86
IT04140 http://www.ibm.com/support/docview.wss?uid=swg24036287
6.1 B/A clients in 6.1 TSM for Space Management package 6.1.5.7 HP-UX
Solaris
IT04140 http://www.ibm.com/support/docview.wss?uid=swg24031758
6.1 B/A clients in 6.1 TSM for Space Management package none, beyond support AIX
Linux x86
Upgrade to fixing level or apply workaround.
5.5 and lower B/A clients and 5.5 and lower TSM Space Management none, beyond support AIX
Linux x86
HP-UX
Solaris
Upgrade to fixing level or apply workaround.

Workarounds and Mitigations

Remove the Trusted Communications Agent (TCA), module dsmtca, from the TSM client machine. This will disable all non root users from running the TSM Client.

Get Notified about Future Security Bulletins

References

Complete CVSS v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Bartlomiej Balcerek from WCSS CSIRT

Change History

6 February 2015: original text published
18 February 2015: added link to 6.2 fixes
26 Feb 2015: Added links to TSM for Space Management packages with fixed Backup-Archive client, and updated Workaround.
03 Mar 2015: Corrected spelling of Manager in Title

*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.

Disclaimer

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.


Cross reference information
Segment Product Component Platform Version Edition
Storage Management IBM System Storage Archive Manager Client AIX, HP-UX, Linux, Solaris, Mac OS 6.2, 6.3, 6.4, 7.1
Storage Management Tivoli Storage Manager Extended Edition Client AIX, HP-UX, Linux, Solaris, Mac OS 5.4, 5.5, 6.1, 6.2, 6.3, 6.4, 7.1

Document information

More support for: Tivoli Storage Manager
Client

Software version: 5.4, 5.5, 6.1, 6.2, 6.3, 6.4, 7.1

Operating system(s): AIX, HP-UX, Linux, Solaris, iOS

Reference #: 1695652

Modified date: 03 March 2015