Home / mailings [gentoo-announce] [ GLSA 202107-01 ] corosync: Denial of service
Posted on 05 July 2021
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Gentoo Linux Security Advisory GLSA 202107-01
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https://security.gentoo.org/
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Severity: Low
Title: corosync: Denial of service
Date: July 03, 2021
Bugs: #658354
ID: 202107-01
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Synopsis
========
A vulnerability in corosync could lead to a Denial of Service
condition.
Background
==========
The Corosync Cluster Engine is a Group Communication System with
additional features for implementing high availability within
applications.
Affected packages
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-cluster/corosync < 3.0.4 >= 3.0.4
Description
===========
It was discovered that corosync allowed an unauthenticated user to
cause a Denial of Service by application crash.
Impact
======
A remote attacker could send a malicious crafted packet, possibly
resulting in a Denial of Service condition.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All corosync users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-cluster/corosync-3.0.4"
References
==========
[ 1 ] CVE-2018-1084
https://nvd.nist.gov/vuln/detail/CVE-2018-1084
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202107-01
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.
License
=======
Copyright 2021 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
--5lewDttRY+YtcciR
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