Gentoo: GLSA-202007-46 Normal: D-Bus Denial of Service Risk
gentoo
July 26, 2020
A local Denial of Service vulnerability was discovered in D-Bus.
Summary
D-Bus does not correctly dispose of old connections meaning that it is possible for D-Bus to hit a connection limit.
Topics Covered
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
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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.
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Severity: Normal
Title: D-Bus: Denial of service
Date: July 27, 2020
Bugs: #727104
ID: 202007-46
Topics Covered
Background
D-Bus is a message bus system which processes can use to talk to each
other.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
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1 sys-apps/dbus < 1.12.18 >= 1.12.18
Impact
=====
An attacker could cause a possible Denial of Service condition.
Workaround
There is no known workaround at this time.
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