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Gentoo Linux Security Advisory GLSA 201507-16
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https://security.gentoo.org/
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Severity: Normal
Title: Portage: Man-in-the-middle attack
Date: July 10, 2015
Bugs: #469888
ID: 201507-16
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Synopsis
========
A vulnerability in Portage's urlopen function could allow a remote
attacker to conduct a man-in-the-middle attack.
Background
==========
Portage is the package management and distribution system for Gentoo.
Affected packages
=================
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Package / Vulnerable / Unaffected
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1 sys-apps/portage < 2.1.12.2 >= 2.1.12.2
Description
===========
Portage does not verify X.509 SSL certificate properly if HTTPS is
used.
Impact
======
A remote attacker can spoof servers and modify binary package lists via
specially crafted certificate.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Portage users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/portage-2.1.12.2"
References
==========
[ 1 ] CVE-2013-2100
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2100
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201507-16
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 2015 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