Severity: High
Title: libssh: Multiple Vulnerabilities
Date: December 22, 2023
Bugs: #810517, #905746
ID: 202312-05

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Synopsis
=======
Multiple vulnerabilities have been discovered in libssh, the worst of
which could lead to remote code execution.

Background
=========
libssh is a multiplatform C library implementing the SSHv2 protocol on
client and server side.

Affected packages
================
Package Vulnerable Unaffected
--------------- ------------ ------------
net-libs/libssh < 0.10.5 >= 0.10.5

Description
==========
Multiple vulnerabilities have been discovered in libssh. Please review
the CVE identifiers referenced below for details.

Impact
=====
Please review the referenced CVE identifiers for details.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All libssh users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/libssh-0.10.5"

References
=========
[ 1 ] CVE-2021-3634
https://nvd.nist.gov/vuln/detail/CVE-2021-3634
[ 2 ] CVE-2023-1667
https://nvd.nist.gov/vuln/detail/CVE-2023-1667
[ 3 ] CVE-2023-2283
https://nvd.nist.gov/vuln/detail/CVE-2023-2283
[ 4 ] GHSL-2023-085

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202312-05

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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2023 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5