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Red Hat Enterprise 8: RHSA-2021:3151-01 Important Shell Injection Fix

red hat
Calendar Grey August 16, 2021
Dist Redhat Esm H88
A significant security patch from Red Hat tackles a shell command injection vulnerability affecting Red Hat Enterprise Linux systems.
An update for sssd is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to connect to multiple different account sources.
Security Fix(es):
* sssd: shell command injection in sssctl (CVE-2021-3621)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory red hat important security impact linux update sssd shell injection

References

https://access.redhat.com/security/cve/CVE-2021-3621 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: sssd-2.4.0-9.el8_4.2.src.rpm
aarch64: libipa_hbac-2.4.0-9.el8_4.2.aarch64.rpm libipa_hbac-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm libsss_autofs-2.4.0-9.el8_4.2.aarch64.rpm libsss_autofs-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm libsss_certmap-2.4.0-9.el8_4.2.aarch64.rpm libsss_certmap-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm libsss_idmap-2.4.0-9.el8_4.2.aarch64.rpm libsss_idmap-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm libsss_nss_idmap-2.4.0-9.el8_4.2.aarch64.rpm libsss_nss_idmap-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm libsss_simpleifp-2.4.0-9.el8_4.2.aarch64.rpm libsss_simpleifp-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm libsss_sudo-2.4.0-9.el8_4.2.aarch64.rpm libsss_sudo-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm python3-libipa_hbac-2.4.0-9.el8_4.2.aarch64.rpm python3-libipa_hbac-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm python3-libsss_nss_idmap-2.4.0-9.el8_4.2.aarch64.rpm python3-libsss_nss_idmap-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm python3-sss-2.4.0-9.el8_4.2.aarch64.rpm python3-sss-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm python3-sss-murmur-2.4.0-9.el8_4.2.aarch64.rpm python3-sss-murmur-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm sssd-2.4.0-9.el8_4.2.aarch64.rpm sssd-ad-2.4.0-9.el8_4.2.aarch64.rpm sssd-ad-debuginfo-2.4.0-9.el8_4.2.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3151-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3151
Issue date: 2021-08-16

Topic

An update for sssd is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat important security impact linux update sssd shell injection

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1975142 - CVE-2021-3621 sssd: shell command injection in sssctl

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