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Gentoo: GLSA 202407-06 Low: SSSD Security Flaw Notification

gentoo
Calendar Grey July 1, 2024
Dist Gentoo Esm H88
Explore the insights of Gentoo GLSA 202407-05 concerning the command injection security flaw found in SSSD and how it affects its users.
A vulnerability has been discovered in SSSD, which can lead to arbitrary code execution.

Summary

A vulnerability has been discovered in SSSD. Please review the CVE identifier referenced below for details.

Topics%20covered

Topics Covered

security advisory gentoo software update arbitrary code execution advisory command injection normal severity

Resolution

All SSSD users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=sys-auth/sssd-2.5.2-r1"

References

[ 1 ] CVE-2021-3621 https://nvd.nist.gov/vuln/detail/CVE-2021-3621

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202407-05
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: SSSD: Command Injection
Date: July 01, 2024
Bugs: #808911
ID: 202407-05

Topics%20covered

Topics Covered

security advisory gentoo software update arbitrary code execution advisory command injection normal severity

Synopsis

A vulnerability has been discovered in SSSD, which can lead to arbitrary code execution.

Background

SSSD provides a set of daemons to manage access to remote directories and authentication mechanisms such as LDAP, Kerberos or FreeIPA. It provides an NSS and PAM interface toward the system and a pluggable backend system to connect to multiple different account sources.

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Affected Packages

Package Vulnerable Unaffected ------------- ------------ ------------ sys-auth/sssd < 2.5.2-r1 >= 2.5.2-r1

Impact

A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access.

Workaround

There is no known workaround at this time.

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