GLSA 202107-01: corosync: Denial of service

Severity:low
Title:corosync: Denial of service
Date:07/03/2021
Bugs: #658354
ID:202107-01

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

Package Vulnerable Unaffected Architecture(s)
sys-cluster/corosync < 3.0.4 >= 3.0.4 All supported architectures

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

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202107-01.xml

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 2010 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.

Thank you!