- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201311-19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: rssh: Access restriction bypass Date: November 28, 2013 Bugs: #415255, #445166 ID: 201311-19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in rssh, allowing local attackers to bypass access restrictions. Background ========== rssh is a restricted shell, allowing only a few commands like scp or sftp. It is often used as a complement to OpenSSH to provide limited access to users. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-shells/rssh < 2.3.4 >= 2.3.4 Description =========== Multiple command line parsing and validation vulnerabilities have been discovered in rssh. Please review the CVE identifiers referenced below for details. Impact ====== Multiple parsing and validation vulnerabilities can cause the restrictions set up by rssh to be bypassed. Workaround ========== There is no known workaround at this time. Resolution ========== All rssh users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-shells/rssh-2.3.4" References ========== [ 1 ] CVE-2012-2252 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2252 [ 2 ] CVE-2012-3478 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-3478 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201311-19.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 2013 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. http://creativecommons.org/licenses/by-sa/2.5