Test ID:	1.3.6.1.4.1.25623.1.0.810769
Category:	General
Title:	OpenSSH < 7.2 X11 Forwarding Security Bypass Vulnerability - Linux
Summary:	OpenSSH is prone to a security bypass vulnerability.
Description:	Summary: OpenSSH is prone to a security bypass vulnerability. Vulnerability Insight: An access flaw was discovered in OpenSSH, it did not correctly handle failures to generate authentication cookies for untrusted X11 forwarding. A malicious or compromised remote X application could possibly use this flaw to establish a trusted connection to the local X server, even if only untrusted X11 forwarding was requested. Vulnerability Impact: Successfully exploiting this issue allows local users to bypass certain security restrictions and perform unauthorized actions. This may lead to further attacks. Affected Software/OS: OpenSSH versions before 7.2 on Linux. Solution: Update to version 7.2 or later. CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-1908 BugTraq ID: 84427 http://www.securityfocus.com/bid/84427 https://security.gentoo.org/glsa/201612-18 https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html http://openwall.com/lists/oss-security/2016/01/15/13 RedHat Security Advisories: RHSA-2016:0465 http://rhn.redhat.com/errata/RHSA-2016-0465.html RedHat Security Advisories: RHSA-2016:0741 http://rhn.redhat.com/errata/RHSA-2016-0741.html http://www.securitytracker.com/id/1034705
Copyright	Copyright (C) 2017 Greenbone AG

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