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Gentoo Linux Security Advisory 201803-04

Gentoo Linux Security Advisory 201803-04
Posted Mar 11, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201803-4 - A vulnerability in Newsbeuter may allow remote attackers to execute arbitrary shell commands. Versions less than or equal to 2.9-r3 are affected.

tags | advisory, remote, arbitrary, shell
systems | linux, gentoo
advisories | CVE-2017-14500
MD5 | 13f887fee8686b564e52d56a034342e4

Gentoo Linux Security Advisory 201803-04

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201803-04
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https://security.gentoo.org/
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Severity: Normal
Title: Newsbeuter: User-assisted execution of arbitrary code
Date: March 11, 2018
Bugs: #631150
ID: 201803-04

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Synopsis
========

A vulnerability in Newsbeuter may allow remote attackers to execute
arbitrary shell commands.

Background
==========

Newsbeuter is a RSS/Atom feed reader for the text console.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-news/newsbeuter <= 2.9-r3 Vulnerable!
-------------------------------------------------------------------
NOTE: Certain packages are still vulnerable. Users should migrate
to another package if one is available or wait for the
existing packages to be marked stable by their
architecture maintainers.

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

Newsbeuter does not properly escape shell meta-characters in an RSS
item with a media enclosure in the podcast playback function of
Podbeuter.

Impact
======

A remote attacker, by enticing a user to open a feed with a specially
crafted media enclosure, could possibly execute arbitrary shell
commands with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

Gentoo has discontinued support for Newsbeuter and recommends that
users unmerge the package:

# emerge --unmerge "net-news/newsbeuter"



References
==========

[ 1 ] CVE-2017-14500
https://nvd.nist.gov/vuln/detail/CVE-2017-14500

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

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

https://security.gentoo.org/glsa/201803-04

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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