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Gentoo Linux Security Advisory GLSA 201904-22
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https://security.gentoo.org/
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Severity: Normal
Title: OpenDKIM: Root privilege escalation
Date: April 22, 2019
Bugs: #629914
ID: 201904-22

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Synopsis
========

A vulnerability was discovered in Gentoo’s ebuild for OpenDKIM which
could lead to root privilege escalation.

Background
==========

A community effort to develop and maintain a C library for producing
DKIM-aware applications and an open source milter for providing DKIM
service.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 mail-filter/opendkim < 2.10.3-r8 >= 2.10.3-r8

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

It was discovered that Gentoo’s OpenDKIM ebuild does not properly set
permissions or place the pid file in a safe directory.

Impact
======

A local attacker could escalate privileges.

Workaround
==========

Users should ensure the proper permissions are set as discussed in the
referenced bugs.

Resolution
==========

All OpenDKIM users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=mail-filter/opendkim-2.10.3-r8”

References
==========

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

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

https://security.gentoo.org/glsa/201904-22

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
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