OpenSSH: Multiple vulnerabilities

Background

OpenSSH is a complete SSH protocol implementation that includes an SFTP client and server support.

Description

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

Impact

A remote attacker could execute arbitrary code, cause a Denial of Service condition, obtain sensitive information, or bypass environment restrictions.

Workaround

There is no known workaround at this time.

Resolution

All OpenSSH users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-misc/openssh-6.6_p1-r1"

NOTE: One or more of the issues described in this advisory have been fixed in previous updates. They are included in this advisory for the sake of completeness. It is likely that your system is already no longer affected by them.