Dovecot: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 201110-04 / Dovecot
Release Date	October 10, 2011
Latest Revision	October 10, 2011: 2
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-mail/dovecot	< 2.0.13	revision >= 1.2.17, >= 2.0.13	All supported architectures

Related bugreports: #286844, #293954, #314533, #368653

Synopsis

Multiple vulnerabilities were found in Dovecot, the worst of which allowing for remote execution of arbitrary code.

2. Impact Information

Background

Dovecot is an IMAP and POP3 server written with security primarily in mind.

Description

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

Impact

A remote attacker could exploit these vulnerabilities to cause the remote execution of arbitrary code, or a Denial of Service condition, to conduct directory traversal attacks, corrupt data, or disclose information.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Dovecot 1 users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-mail/dovecot-1.2.17"

All Dovecot 2 users should upgrade to the latest version:

Code Listing 3.2: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-mail/dovecot-2.0.13"

NOTE: This is a legacy GLSA. Updates for all affected architectures are available since May 28, 2011. It is likely that your system is already no longer affected by this issue.

4. References

Page updated October 10, 2011

Summary: This is a Gentoo Linux Security Advisory

Security Team
Contact Address

Donate to support our development efforts.