GLSA 201402-26: libssh: Arbitrary code execution

Severity:normal
Title:libssh: Arbitrary code execution
Date:02/21/2014
Bugs: #444147
ID:201402-26

Synopsis

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

Background

libssh is a C library providing SSHv2 and SSHv1.

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-libs/libssh < 0.5.3 >= 0.5.3 All supported architectures

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

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201402-26.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!