Security Bulletin: glibc vulnerability affects IBM Elastic Storage System (CVE-2021-3999)

Summary

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

Vulnerability Details

CVEID:CVE-2021-3999
**DESCRIPTION:**GNU glibc is vulnerable to an off-by-one buffer overflow and underflow, caused by improper bounds checking by the getcwd() function. By sending a specially-crafted request, a local authenticated attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217981 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

IBM recommends that you fix this vulnerability by upgrading affected versions of IBM Elastic Storage System 3000, 3200, 3500 and 5000 to the following code levels or higher:

V6.1.4.0 or later.

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=6.1.4&platform=All&function=all

Workarounds and Mitigations

None