Security Bulletin: IBM RackSwitch firmware products are affected by a vulnerability in glibc (CVE-2021-35942)

Summary

The following vulnerability in glibc has been addressed by IBM RackSwitch firmware products.

Vulnerability Details

CVEID:CVE-2021-35942
**DESCRIPTION:**GNU C Library (aka glibc) could allow a local attacker to obtain sensitive information, caused by a flaw when called with an untrusted, crafted pattern in thewordexp function. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain read arbitrary memory in parse_param (in posix/wordexp.c), or cause the application to crash.
CVSS Base score: 7.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206317 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

Firmware fix versions are available on Fix Central: <http://www.ibm.com/support/fixcentral/&gt;

IBM RackSwitch G7028

(G7028_Image_7.6.12.0)

| 7.6.12.0

IBM RackSwitch G8316

(G8316_Image_7.9.34.0)

| 7.9.34.0

IBM RackSwitch G8052

(G8052_Image_7.11.24.0)

| 7.11.24.0

IBM RackSwitch G8264

(G8264_Image_7.11.24.0)

| 7.11.24.0

IBM RackSwitch G8332

(G8332_Image_7.7.40.0)

| 7.7.40.0

IBM RackSwitch G8264T

(G8264T_Image_7.9.34.0)

| 7.9.34.0

IBM RackSwitch G8124/G8124E

(G8124_G8124E_Image_7.11.24.0)

| 7.11.24.0

G8264CS_SI_Fabric_Image - Bundle

(G8264CS_SI_Fabric_Image_7.8.32.0)

| 7.8.32.0

IBM RackSwitch G8264CS

(G8264CS_Image_7.8.32.0)

| 7.8.32.0

Workarounds and Mitigations

None