This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--uDTR8R7FBrHvUSsB2kFj7cX3D1hsX1n8A
Content-Type: text/plain; charset=utf-
Content-Transfer-Encoding: quoted-printable

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 201507-16
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: Normal
    Title: Portage: Man-in-the-middle attack
     Date: July 10, 2015
     Bugs: #469888
       ID: 201507-16

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  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



--uDTR8R7FBrHvUSsB2kFj7cX3D1hsX1n8A
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2

iJwEAQECAAYFAlWfxIIACgkQG9wOWsQutdYBngQAsSJz29hGJuKigQEOe41P7w0T
I0Qxzm8muX5bEzUg3TXxwPpIp4NqZQOIq9J8Zd8DQLBoxGgWXuAr06rxLJHxLAF9
dxWqgCVM/lYR+J8eATPkkfrUVwBtOs4vz5vydETYsbDKZRTPUKqmLbgPSZIOX9eO
CyT9fCeHpcTF/JxNjLM=
=UB+z
-----END PGP SIGNATURE-----

--uDTR8R7FBrHvUSsB2kFj7cX3D1hsX1n8A--