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Gentoo: GLSA-201201-07 High: NX Server Free Edition Privilege Escalation

An unspecified vulnerability in NX Server Free Edition and NX Node could allow local attackers to gain root privileges.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201201-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: NX Server Free Edition, NX Node: Privilege escalation Date: January 23, 2012 Bugs: #378345 ID: 201201-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= An unspecified vulnerability in NX Server Free Edition and NX Node could allow local attackers to gain root privileges. Background ========= NX Server Free Edition is a remote display technology by No Machine. NX Node provides the shared components for NX Server. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/nxserver-freeedition < 3.5.0.5 > = 3.5.0.5 2 net-misc/nxnode < 3.5.0.4 > = 3.5.0.4 ------------------------------------------------------------------- 2 affected packages Description ========== NX Server Free Edition and NX Node use nxconfigure.sh, a setuid script containing an unspecified vulnerability. Impact ===== A local attacker could gain escalated privileges. Workaround ========= There is no known workaround at this time. Resolution ========= All NX Server Free Edition users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v "> =net-misc/nxserver-freeedition-3.5.0.5" All NX Node users should upgrade to the latest version: # emerge --sync #emerge --ask --oneshot --verbose "> =net-misc/nxnode-3.5.0.4" NOTE: This is a legacy GLSA. Updates for all affected architectures are available since August 23, 2011. It is likely that your system is already no longer affected by this issue. References ========= [ 1 ] CVE-2011-3977 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-3977 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201201-07 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 This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org. License ====== Copyright 2012 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. https://creativecommons.org/licenses/by-sa/2.5/ . NX Server Community Edition vulnerabilities in Gentoo may permit local intruders to gain root privileges; it is advised to upgrade to counter potential threats.. NX Server, Privilege Escalation, Gentoo Security, Local Attack. . LinuxSecurity.com Team

Jan 23, 2012 Gentoo