PT-2021-18443 · Ibm · Vios+1

Published 2021-07-30 · Updated 2022-07-12 · CVE-2021-29741

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.1 through 7.2 VIOS version 3.1

Description A local user could exploit a vulnerability in Korn Shell (ksh) to gain root privileges.

Recommendations For IBM AIX versions 7.1 through 7.2, update to a version that includes the fix for the Korn Shell vulnerability. For VIOS version 3.1, update to a version that includes the fix for the Korn Shell vulnerability. As a temporary workaround, consider restricting access to the Korn Shell until a patch is available.

Fix

Related Identifiers

CVE-2021-29741

Affected Products

Ibm Aix

Vios

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-29741 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29741 · Vendor Advisory
• https://ibm.com/support/pages/node/6477018 · Vendor Advisory
• https://t.me/cvenotify/18477 · Telegram Post
• https://t.me/cibsecurity/26684 · Telegram Post
• https://aix.software.ibm.com/aix/efixes/security/ksh_advisory.asc · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/201478 · Note