Mailing List Archive

[ GLSA 201904-11 ] Portage: Man-in-the-middle
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Gentoo Linux Security Advisory GLSA 201904-11
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https://security.gentoo.org/
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Severity: Normal
Title: Portage: Man-in-the-middle
Date: April 08, 2019
Bugs: #646212
ID: 201904-11

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Synopsis
========

A vulnerability in emerge-delta-webrsync and Portage could result in a
man-in-the-middle attack.

Background
==========

Portage is the package management and distribution system for Gentoo.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-portage/emerge-delta-webrsync
< 3.7.4 >= 3.7.4
2 sys-apps/portage < 2.3.22 >= 2.3.22
-------------------------------------------------------------------
2 affected packages

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

A vulnerability was discovered in emerge-delta-webrsync and Portage
that did not properly validate the revocation status of GPG keys.

Impact
======

A remote attacker could conduct a man-in-the-middle attack. Please
review the referenced bug for specific details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All emerge-delta-webrsync users should upgrade to the latest version:

# emerge --sync
# emerge -a --oneshot -v ">=app-portage/emerge-delta-webrsync-3.7.4"

All Portage users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/portage-2.3.22"

References
==========


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

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

https://security.gentoo.org/glsa/201904-11

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 2019 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