libssh: Arbitrary code execution — GLSA 201402-26

Multiple vulnerabilities have been found in libssh, allowing attackers to execute arbitrary code or cause Denial of Service.

Affected Packages

net-libs/libssh on all architectures
Affected versions < 0.5.3
Unaffected versions >= 0.5.3

Background

libssh is a C library providing SSHv2 and SSHv1.

Description

Multiple buffer overflow, double free, and integer overflow vulnerabilities have been discovered in libssh.

Impact

A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All libssh users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-libs/libssh-0.5.3"
 

References

Release Date
February 21, 2014

Latest Revision
February 21, 2014: 1

Severity
normal

Exploitable
remote

Bugzilla entries