rPath Security Advisory: 2010-0011-1 Published: 2010-03-07 Products: rPath Appliance Platform Linux Service 1 rPath Appliance Platform Linux Service 2 rPath Linux 1 rPath Linux 2 Rating: Minor Exposure Level Classification: Remote User Non-deterministic Information Exposure Updated Versions: gnome-ssh-askpass=conary.rpath.com@rpl:1/5.3p1-0.3-1 openssh=conary.rpath.com@rpl:1/5.3p1-0.3-1 openssh=conary.rpath.com@rpl:2/5.3p1-0.1-1 openssh-client=conary.rpath.com@rpl:1/5.3p1-0.3-1 openssh-client=conary.rpath.com@rpl:2/5.3p1-0.1-1 openssh-server=conary.rpath.com@rpl:1/5.3p1-0.3-1 openssh-server=conary.rpath.com@rpl:2/5.3p1-0.1-1 rPath Issue Tracking System: https://issues.rpath.com/browse/RPL-3183 References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5161 Description: In previous versions of openssh, the default cipher order preferred a block cipher algorithm in Cipher Block Chaining (CBC) mode, which is suspectible to a plaintext recovery attack. This update changes the cipher order to prefer the AES CTR modes, and adds countermeasures to mitigate attacks against CBC modes. http://wiki.rpath.com/Advisories:rPSA-2010-0011 Copyright 2010 rPath, Inc. This file is distributed under the terms of the MIT License. A copy is available at http://www.rpath.com/permanent/mit-license.html