GLSA 202006-12: GNU Mailutils: Privilege escalation

http://security.gentoo.org/

Severity:	high
Title:	GNU Mailutils: Privilege escalation
Date:	06/13/2020
Bugs:	#700806
ID:	202006-12

Synopsis

A vulnerability has been found in GNU Mailutils allowing privilege escalation.

Background

The GNU Mailutils are a collection of mail-related utilities, including an IMAP4 server (imap4d).

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-mail/mailutils	< 3.8	>= 3.8	All supported architectures

Description

GNU Mailutils runs maidag by default with setuid root permissions.

Impact

An attacker can use this to write to arbitrary files as root.

Workaround

There is no known workaround at this time.

Resolution

All GNU Mailutils users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-mail/mailutils-3.8"

References

CVE-2019-18862

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202006-12.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.