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Gentoo Linux Security Advisory 201706-05

Gentoo Linux Security Advisory 201706-05
Posted Jun 6, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201706-5 - Multiple vulnerabilities in D-Bus might allow an attacker to overwrite files with a fixed filename in arbitrary directories or conduct a symlink attack. Versions less than 1.10.18 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
SHA-256 | a76ebaacb2c0a0c849e88cf7fcf518cf32d0c86925bc3e6e8f3859a50a11e893

Gentoo Linux Security Advisory 201706-05

Change Mirror Download

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Gentoo Linux Security Advisory GLSA 201706-05
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https://security.gentoo.org/
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Severity: Normal
Title: D-Bus: Multiple vulnerabilities
Date: June 06, 2017
Bugs: #611392
ID: 201706-05

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Synopsis
========

Multiple vulnerabilities in D-Bus might allow an attacker to overwrite
files with a fixed filename in arbitrary directories or conduct a
symlink attack.

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 < 1.10.18 >= 1.10.18

Description
===========

Multiple vulnerabilities have been discovered in D-Bus. Please review
the original report referenced below for details.

Impact
======

An attacker could possibly overwrite arbitrary files named "once" with
content not controlled by the attacker.

A local attacker could perform a symlink attack against D-Bus' test
suite.

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-1.10.18"

References
==========

[ 1 ] Original report
http://www.openwall.com/lists/oss-security/2017/02/16/4

Availability
============

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

https://security.gentoo.org/glsa/201706-05

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 2017 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.

http://creativecommons.org/licenses/by-sa/2.5


--3k2mefRiGdWdSvX4FLtvaFWRdAR1SpiIh--

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