GLSA 201412-03: Dovecot: Denial of Service

http://security.gentoo.org/

Severity:	normal
Title:	Dovecot: Denial of Service
Date:	12/08/2014
Bugs:	#509954
ID:	201412-03

Synopsis

A vulnerability in Dovecot could allow a remote attacker to create a Denial of Service condition.

Background

Dovecot is an open source IMAP and POP3 email server.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-mail/dovecot	< 2.2.13	>= 2.2.13	All supported architectures

Description

Dovecot does not properly close connections, allowing a resource exhaustion for incomplete SSL/TLS handshakes.

Impact

A remote attacker could possibly cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Dovecot users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-mail/dovecot-2.2.13"

References

CVE-2014-3430

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201412-03.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.