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Gentoo Linux Security Advisory 202007-46

Gentoo Linux Security Advisory 202007-46
Posted Jul 27, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202007-46 - A local Denial of Service vulnerability was discovered in D-Bus. Versions less than 1.12.18 are affected.

tags | advisory, denial of service, local
systems | linux, gentoo
advisories | CVE-2020-12049
MD5 | e1ecd57c0e4522a6c83bbe898722d65f

Gentoo Linux Security Advisory 202007-46

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 202007-46
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https://security.gentoo.org/
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Severity: Normal
Title: D-Bus: Denial of service
Date: July 27, 2020
Bugs: #727104
ID: 202007-46

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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
-------------------------------------------------------------------
1 sys-apps/dbus < 1.12.18 >= 1.12.18

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
=========
[ 1 ] CVE-2020-12049
https://nvd.nist.gov/vuln/detail/CVE-2020-12049

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

https://security.gentoo.org/glsa/202007-46

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 2020 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
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