Security Bulletin: A format string security vulnerability has been identified in IBM Spectrum Scale (CVE-2021-29740)

Summary

A security vulnerability has been identified in IBM Spectrum Scale file system that could allow an attacker to execute arbirtary code. A fix for this vulnerability is available.

Vulnerability Details

CVEID:CVE-2021-29740
**DESCRIPTION:**IBM Spectrum Scalefile system core component is affected by a format string security vulnerability. An attacker could execute arbitrary code in the context of process memory, potentially escalating their system privileges and taking control over the entire system with root access.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/201474 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)

Affected Products and Versions

Remediation/Fixes

For IBM Spectrum Scale V5.1.0 through V5.1.0.3, apply V5.1.1.0 or later available from FixCentral at:

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.1.0&platform=All&function=all

For IBM Spectrum Scale V5.0.0 through V5.0.5.6, apply V5.0.5.7 or later available from FixCentral at:

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.5&platform=All&function=all

If you cannot apply the above PTF level, contact IBM service to obtain and apply efix for your code level(s):

• For IBM Spectrum Scale V5.1.0 through V5.1.0.3, reference IJ32754 * For IBM Spectrum Scale V5.0.0 through V5.0.5.6, referenceIJ31853

Workarounds and Mitigations

None