Test ID:	1.3.6.1.4.1.25623.1.0.871777
Category:	Red Hat Local Security Checks
Title:	RedHat Update for tigervnc RHSA-2017:0630-01
Summary:	The remote host is missing an update for the 'tigervnc'; package(s) announced via the referenced advisory.
Description:	Summary: The remote host is missing an update for the 'tigervnc' package(s) announced via the referenced advisory. Vulnerability Insight: Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients. The tigervnc packages contain a client which allows users to connect to other desktops running a VNC server. Security Fix(es): * A denial of service flaw was found in the TigerVNC's Xvnc server. A remote unauthenticated attacker could use this flaw to make Xvnc crash by terminating the TLS handshake process early. (CVE-2016-10207) * A buffer overflow flaw, leading to memory corruption, was found in TigerVNC viewer. A remote malicious VNC server could use this flaw to crash the client vncviewer process resulting in denial of service. (CVE-2017-5581) Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.9 Release Notes and Red Hat Enterprise Linux 6.9 Technical Notes linked from the References section. Affected Software/OS: tigervnc on Red Hat Enterprise Linux Desktop (v. 6), Red Hat Enterprise Linux Server (v. 6), Red Hat Enterprise Linux Workstation (v. 6) Solution: Please Install the Updated Packages. CVSS Score: 6.8 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-10207 BugTraq ID: 96012 http://www.securityfocus.com/bid/96012 https://security.gentoo.org/glsa/201801-13 http://www.openwall.com/lists/oss-security/2017/02/02/22 http://www.openwall.com/lists/oss-security/2017/02/05/2 RedHat Security Advisories: RHSA-2017:0630 http://rhn.redhat.com/errata/RHSA-2017-0630.html RedHat Security Advisories: RHSA-2017:2000 https://access.redhat.com/errata/RHSA-2017:2000 SuSE Security Announcement: openSUSE-SU-2017:0444 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00020.html Common Vulnerability Exposure (CVE) ID: CVE-2017-5581 BugTraq ID: 95789 http://www.securityfocus.com/bid/95789 https://security.gentoo.org/glsa/201702-19 http://www.openwall.com/lists/oss-security/2017/01/22/1 http://www.openwall.com/lists/oss-security/2017/01/25/6
Copyright	Copyright (C) 2017 Greenbone AG

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