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

Summary

The following vulnerability in glibc has been addressed by IBM Flex System switch 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 Flex System EN2092 1Gb Ethernet Scalable Switch firmware

(ibm_fw_scsw_en2092-7.8.32.0_anyos_noarch)

| 7.8.32.0

IBM Flex System Fabric SI4093 System Interconnect Module firmware

(ibm_fw_scsw_si4093-7.8.32.0_anyos_noarch)

| 7.8.32.0

IBM Flex System Fabric EN4093/EN4093R 10Gb Scalable Switch firmware

(ibm_fw_scsw_en4093r-7.8.32.0_anyos_noarch)

| 7.8.32.0

IBM Flex System CN4093 10Gb Converged Scalable Switch firmware

(ibm_fw_scsw_cn4093-7.8.32.0_anyos_noarch)

| 7.8.32.0

Workarounds and Mitigations

None