Postfix: Multiple vulnerabilities — GLSA 201206-33

A vulnerability has been found in Postfix, the worst of which possibly allowing remote code execution.

Affected Packages

mail-mta/postfix on all architectures
Affected versions < 2.7.4
Unaffected versions >= 2.7.4

Background

Postfix is Wietse Venema’s mailer that attempts to be fast, easy to administer, and secure, as an alternative to the widely-used Sendmail program.

Description

A vulnerability have been discovered in Postfix. Please review the CVE identifier referenced below for details.

Impact

An attacker could perform a man-in-the-middle attack and inject SMTP commands during the plaintext to TLS session switch or might execute arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All Postfix users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=mail-mta/postfix-2.7.4"
 

References

Release Date
June 25, 2012

Latest Revision
June 25, 2012: 1

Severity
high

Exploitable
remote

Bugzilla entries