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Security Bulletin: Stack-based Buffer Overflow vulnerabilities in IBM Spectrum Protect Back-up Archive Client and IBM Spectrum Protect for Space Management (CVE-2021-29672, CVE-2021-20546)

Security Bulletin


Summary

IBM Spectrum Protect Backup-Archive Client and IBM Spectrum Protect for Space Management are vulnerable to stack-based buffer overflows caused by improper bounds checking. UDPATED: 14 June 2021 - Added 7.1 fix. UPDATED: 25 June 2021 - Added 8.1.9.2 fix for Macintosh

Vulnerability Details

CVEID:   CVE-2021-29672
DESCRIPTION:   IBM Spectrum Protect client is vulnerable to a stack-based buffer overflow, caused by improper bounds checking when processing the current locale settings. A local attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the application to crash.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199479 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:   CVE-2021-20546
DESCRIPTION:   IBM Spectrum Protect Client is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and cause the application to crash.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198934 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Spectrum Protect Backup-Archive Client8.1.0.0-8.1.11.0
7.1.0.0-7.1.8.10
IBM Spectrum Protect for Space Management8.1.0.0-8.1.11.0
7.1.0.0-7.1.8.10

Remediation/Fixes

IBM Spectrum Protect
Backup-Archive Client Release
First Fixing
VRM Level
PlatformLink to Fix
               8.1  8.1.12AIX
Linux
Macintosh
Solaris
Windows
https://www.ibm.com/support/pages/node/6443671
               8.1
  8.1.9.2*
Macintosh*
https://www.ibm.com/support/pages/node/589103
               7.1
  7.1.8.11
AIX
HP-UX
Linux
Macintosh
Solaris
Windows
https://www.ibm.com/support/pages/node/316619

*An 8.1.9.2 fix was provided for Macintosh because the Spectrum Protect Backup-Archive Client was stabilized at 8.1.9 for older Mac OS levels. 
  Refer to https://www.ibm.com/support/pages/node/660995 for more information.

IBM Spectrum Protect for
Space Management Release
First Fixing
VRM Level
PlatformLink to Fix
              8.1  8.1.12AIX
Linux
https://www.ibm.com/support/pages/node/6416187
              7.1
  7.1.8.11
AIX
Linux
https://www.ibm.com/support/pages/node/316075


Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

Change History

23 Apr 2021: Initial Publication
14 June 2021: Added 7.1 fix
25 June 2021 - Added 8.1.9.2 fix for Macintosh

*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.

Document Location

Worldwide

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Document Information

Modified date:
25 June 2021

UID

ibm16445497