GLSA 201904-11: Portage: Man-in-the-middle

http://security.gentoo.org/

Severity:	normal
Title:	Portage: Man-in-the-middle
Date:	04/08/2019
Bugs:	#646212
ID:	201904-11

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	Architecture(s)
app-portage/emerge-delta-webrsync	< 3.7.4	>= 3.7.4	All supported architectures
sys-apps/portage	< 2.3.22	>= 2.3.22	All supported architectures

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 --ask --oneshot --verbose
      ">=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: http://security.gentoo.org/glsa/glsa-201904-11.xml

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.