Dovecot: Multiple vulnerabilities — GLSA 201908-29

Multiple vulnerabilities have been found in Dovecot, the worst of which could result in the arbitrary execution of code.

Affected packages

net-mail/dovecot on all architectures
Affected versions < 2.3.7.2
Unaffected versions >= 2.3.7.2

Background

Dovecot is an open source IMAP and POP3 email server.

Description

Multiple vulnerabilities have been discovered in Dovecot. Please review the CVE identifiers referenced below for details.

Impact

An unauthenticated remote attacker could send a specially crafted mail or use crafted IMAP commands possibly resulting in the execution of arbitrary code with the privileges of the process or 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-2.3.7.2"
 

References

Release date
August 31, 2019

Latest revision
August 31, 2019: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries