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Security Bulletin: TSM client metadata local unauthorized access (CVE-2013-6335)

Security Bulletin


Summary

IBM Tivoli Storage Manger (TSM) for Space Management files can be restored incorrectly by the TSM Backup-Archive client, potentially allowing unauthorized local access to those files.

Vulnerability Details

CVE ID: CVE-2013-6335

Description:

The file metadata of TSM for Space Management files can be restored incorrectly by the TSM Backup-Archive client after a series of steps, potentially allowing unauthorized local access to those files if default permissions are less restrictive than the user's permissions.

CVSS:

CVSS Base Score: 2.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/89054 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:H/Au:N/C:P/I:P/A:N)

Affected Products and Versions

TSM AIX and Linux x86 Backup-Archive client at these release levels:

  • 7.1: 7.1.0.0 through 7.1.0.2
  • 6.4: 6.4.0.0 through 6.4.1.x
  • 6.3: 6.3.0.0 through 6.3.1.x
  • 6.2: 6.2.0.0 through 6.2.5.2. TSM 6.2 is beyond End of Support.
  • 6.1: all levels. TSM 6.1 is beyond End of Support.
  • 5.5: all levels. TSM 5.5 is beyond End of Support.
  • 5.4: all levels. TSM 5.4 is beyond End of Support.

TSM HP-UX and Solaris Backup-Archive clients at these release levels:
  • 6.1: 6.1.0.0 to 6.1.5.5. TSM 6.2 is beyond End of Support.
  • 5.5: all levels. TSM 5.5 is beyond End of Support.
  • 5.4: all levels. TSM 5.4 is beyond End of Support.

Remediation/Fixes

TSM Release First Fixing VRMF Level Client
Platform
APAR Link to fix
7.1 7.1.0.3 AIX
Linux x86
IC96095 http://www.ibm.com/support/docview.wss?&uid=swg24036985
6.4 6.4.2 AIX
Linux x86
IC96095 http://www.ibm.com/support/docview.wss?uid=swg24037543
6.3 6.3.2 AIX
Linux x86
IC96095 http://www.ibm.com/support/docview.wss?uid=swg24036718
6.2 6.2.5.3 AIX
Linux x86
IC96095 http://www.ibm.com/support/docview.wss?uid=swg24036287
6.1 and lower none AIX
Linux x86
IC96095 Upgrade to a fixing level
7.1 B/A clients in 7.1 TSM for Space Managment package 7.1.0.3 AIX
Linux x86
IC96095 http://www.ibm.com/support/docview.wss?&uid=swg24038150
6.4 B/A clients in 6.4 TSM for Space Management package 6.4.2 AIX
Linux x86
IC96095 http://www.ibm.com/support/docview.wss?&uid=swg24037482
6.3 B/A clients in 6.3 TSM for Space Management package 6.3.2 AIX
Linux x86
IC96095 http://www.ibm.com/support/docview.wss?uid=swg24036722
6.2 B/A clients in 6.2 TSM for Space Management package 6.2.5.3 AIX
Linux x86
IC96095 http://www.ibm.com/support/docview.wss?uid=swg24036287
6.1 B/A clients in 6.2 TSM for Space Management package 6.1.5.6 HP-UX
Solaris
IC96095 http://www.ibm.com/support/docview.wss?uid=swg24031758
6.1 B/A clients in 6.1 TSM for Space Management package none AIX
Linux x86
IC96095 Upgrade to a fixing level
5.5 and lower B/A clients in TSM for Space Management packages none AIX
HP-UX
Linux x86
Solaris
IC96095 Upgrade to a fixing level

If you need further assistance, contact IBM Software Support.

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

12 August 2014: original copy published
29 June 2015: stated that Version 6.2 is now End of Support

*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 Tivoli Storage Manager Extended Edition AIX, HP-UX, Linux, Solaris 5.4, 5.5, 6.1, 6.2, 6.3, 6.4, 7.1
Storage Management IBM System Storage Archive Manager AIX, Linux 6.2, 6.1.2, 6.3, 6.4, 7.1
Storage Management Tivoli Storage Manager for Space Management AIX, HP-UX, Linux, Solaris 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

Reference #: 1680453

Modified date: 12 August 2014