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Gentoo Linux Security Advisory GLSA 201811-09
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https://security.gentoo.org/
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Severity: High
Title: Icecast: Arbitrary code execution
Date: November 10, 2018
Bugs: #670148
ID: 201811-09

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Synopsis
========

A vulnerability in Icecast might allow remote attackers to execute
arbitrary code.

Background
==========

Icecast is an open source alternative to SHOUTcast that supports MP3,
OGG (Vorbis/Theora) and AAC streaming.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-misc/icecast < 2.4.4 >= 2.4.4

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

Multiple buffer overflows have been discovered in Icecast. Please
review the CVE identifier referenced below for details.

Impact
======

A remote attacker, by sending a specially crafted request using
authentication type “url”, could possibly execute arbitrary code with
the privileges of the process, or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Icecast users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=net-misc/icecast-2.4.4”

References
==========

[ 1 ] CVE-2018-18820
https://nvd.nist.gov/vuln/detail/CVE-2018-18820

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

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

https://security.gentoo.org/glsa/201811-09

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 2018 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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