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[ GLSA 200903-17 ] Real VNC: User-assisted execution of arbitrary code
From: Robert Buchholz <rbu () gentoo org>
Date: Mon, 9 Mar 2009 14:58:19 +0100
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200903-17 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Real VNC: User-assisted execution of arbitrary code Date: March 09, 2009 Bugs: #255225 ID: 200903-17 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== The Real VNC client is vulnerable to execution of arbitrary code when connecting to a malicious server. Background ========== Real VNC is a remote desktop viewer display system. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/vnc < 4.1.3 >= 4.1.3 Description =========== An unspecified vulnerability has been discovered int the CMsgReader::readRect() function in the VNC Viewer component, related to the encoding type of RFB protocol data. Impact ====== A remote attacker could entice a user to connect to a malicious VNC server, or leverage Man-in-the-Middle attacks, to cause the execution of arbitrary code with the privileges of the user running the VNC viewer. Workaround ========== There is no known workaround at this time. Resolution ========== All Real VNC users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/vnc-4.1.3" References ========== [ 1 ] CVE-2008-4770 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4770 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200903-17.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 http://bugs.gentoo.org. License ======= Copyright 2009 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
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- [ GLSA 200903-17 ] Real VNC: User-assisted execution of arbitrary code Robert Buchholz (Mar 09)