Security Bulletin: Stack-based Buffer Overflow vulnerability in IBM Spectrum Protect Backup-Archive Client and IBM Spectrum Protect for Space Management (CVE-2021-39048)

Security Bulletin

Summary

IBM Spectrum Protect Backup-Archive Client and IBM Spectrum Protect for Space Management are vulnerable to a stack-based buffer overflow caused by improper bounds checking.

Vulnerability Details

CVEID: CVE-2021-39048
DESCRIPTION: IBM Spectrum Protect Client is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local attacker could exploit this vulnerability and cause a denial of service.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/214438 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 Client	8.1.0.0-8.1.12.0 on AIX, Linux, and Solaris platforms 7.1.0.0-7.1.8.10 on AIX, Linux, Solaris, and HP-UX platforms
IBM Spectrum Protect for Space Management	8.1.0.0-8.1.12.0 on AIX and Linux platforms 7.1.0.0-7.1.8.10 on AIX and Linux platforms

Remediation/Fixes

IBM Spectrum Protect Backup-Archive Client Release	First Fixing VRM Level	*Platform*	*Link to Fix*
8.1	8.1.13	AIX Linux Solaris	https://www.ibm.com/support/pages/node/6524938
7.1	7.1.8.11	AIX HP-UX Linux Solaris	https://www.ibm.com/support/pages/node/316619

IBM Spectrum Protect for Space Management Release	First Fixing VRM Level	*Platform*	*Link to Fix*
8.1	8.1.13	AIX Linux	https://www.ibm.com/support/pages/node/6488915
7.1	7.1.8.11	AIX Linux	https://www.ibm.com/support/pages/node/316075

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

10 December 2021: Initial Publication

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: Stack-based Buffer Overflow vulnerability in IBM Spectrum Protect Backup-Archive Client and IBM Spectrum Protect for Space Management (CVE-2021-39048)