OpenSSH 4.4 up to versions before 4.9 allows remote authenticated users to bypass the sshd_config ForceCommand directive by modifying the .ssh/rc session file.
https://issues.rpath.com/browse/RPL-2419
https://exchange.xforce.ibmcloud.com/vulnerabilities/41549
http://www.vupen.com/english/advisories/2008/2584
http://www.vupen.com/english/advisories/2008/2396
http://www.vupen.com/english/advisories/2008/1624/references
http://www.vupen.com/english/advisories/2008/1035/references
http://www.us-cert.gov/cas/techalerts/TA08-260A.html
http://www.ubuntu.com/usn/usn-649-1
http://www.securitytracker.com/id?1019733
http://www.securityfocus.com/bid/28531
http://www.securityfocus.com/archive/1/490488/100/0/threaded
http://www.openssh.com/txt/release-4.9
http://www.openbsd.org/errata43.html#001_openssh
http://www.mandriva.com/security/advisories?name=MDVSA-2008:098
http://www.gentoo.org/security/en/glsa/glsa-200804-03.xml
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0139
http://support.attachmate.com/techdocs/2374.html
http://secunia.com/advisories/32110
http://secunia.com/advisories/32080
http://secunia.com/advisories/31882
http://secunia.com/advisories/31531
http://secunia.com/advisories/30361
http://secunia.com/advisories/29939
http://secunia.com/advisories/29735
http://secunia.com/advisories/29693
http://secunia.com/advisories/29683
http://secunia.com/advisories/29609
http://secunia.com/advisories/29602
http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00007.html
http://lists.apple.com/archives/security-announce//2008/Sep/msg00005.html
http://aix.software.ibm.com/aix/efixes/security/ssh_advisory.asc