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Gentoo Linux Security Advisory GLSA 202012-17
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https://security.gentoo.org/
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Severity: Low
Title: D-Bus: Denial of service
Date: December 23, 2020
Bugs: #755392
ID: 202012-17
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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 < 1.12.20 >= 1.12.20
Description
===========
It was discovered that D-Bus did not properly handle the situation when
two usernames have the same numeric UID.
Impact
======
An attacker could possibly cause a Denial of Service condition or
trigger other undefined behavior, possibly including incorrect
authorization decisions.
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-1.12.20"
References
==========
[ 1 ] dbus 1.12.20 security update announcement
https://lists.freedesktop.org/archives/ftp-release/2020-July/000758.html
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202012-17
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
Gentoo Linux Security Advisory GLSA 202012-17
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Low
Title: D-Bus: Denial of service
Date: December 23, 2020
Bugs: #755392
ID: 202012-17
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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 < 1.12.20 >= 1.12.20
Description
===========
It was discovered that D-Bus did not properly handle the situation when
two usernames have the same numeric UID.
Impact
======
An attacker could possibly cause a Denial of Service condition or
trigger other undefined behavior, possibly including incorrect
authorization decisions.
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-1.12.20"
References
==========
[ 1 ] dbus 1.12.20 security update announcement
https://lists.freedesktop.org/archives/ftp-release/2020-July/000758.html
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202012-17
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
Attached Files:
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OpenPGP_signature (0.48 KB)