Security Bulletin: glibc vulnerability affects IBM Elastic Storage System (CVE-2021-27645)

Summary

IBM Elastic Storage System is shipped with GNU glibc, for which a fix is available for a security vulnerability.

Vulnerability Details

CVEID:CVE-2021-27645
**DESCRIPTION:**GNU glibc is vulnerable to a denial of service, caused by double-free in the nameserver caching daemon (nscd). By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197417 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

IBM recommends that you fix this vulnerability by upgrading affected versions of IBM Elastic Storage System 3000, 3200 and 5000 to the following code levels or higher:

V6.0.2.4

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=6.0.0&platform=All&function=all

V6.1.2.2

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=6.1.0&platform=All&function=all

Workarounds and Mitigations

None