GLSA 202007-46: D-Bus: Denial of service

http://security.gentoo.org/

Severity:	normal
Title:	D-Bus: Denial of service
Date:	07/27/2020
Bugs:	#727104
ID:	202007-46

Synopsis

A local Denial of Service vulnerability was discovered in D-Bus.

Background

D-Bus is a message bus system which processes can use to talk to each other.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
sys-apps/dbus	< 1.12.18	>= 1.12.18	All supported architectures

Description

D-Bus does not correctly dispose of old connections meaning that it is possible for D-Bus to hit a connection limit.

Impact

An attacker could cause a possible Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All D-Bus users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-apps/dbus-1.12.18"

References

CVE-2020-12049

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202007-46.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.