GLSA 201904-22: OpenDKIM: Root privilege escalation

http://security.gentoo.org/

Severity:	normal
Title:	OpenDKIM: Root privilege escalation
Date:	04/22/2019
Bugs:	#629914
ID:	201904-22

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	Architecture(s)
mail-filter/opendkim	< 2.10.3-r8	>= 2.10.3-r8	All supported architectures

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