Test Kennung:	1.3.6.1.4.1.25623.1.0.105895
Kategorie:	Citrix Xenserver Local Security Checks
Titel:	Citrix XenServer Multiple Security Updates (CTX216071)
Zusammenfassung:	A number of security vulnerabilities have been identified in; Citrix XenServer that may allow malicious privileged code running within a guest VM to compromise the host.
Beschreibung:	Summary: A number of security vulnerabilities have been identified in Citrix XenServer that may allow malicious privileged code running within a guest VM to compromise the host. Vulnerability Insight: The following vulnerabilities have been addressed: - CVE-2016-7092 (High): x86: Disallow L3 recursive pagetable for 32-bit guests - CVE-2016-7093 (High): x86: Mishandling of instruction pointer truncation during emulation - CVE-2016-7094 (Medium): x86 HVM: Overflow of sh_ctxt->seg_reg[] - CVE-2016-7154 (High): use after free in FIFO event channel code Affected Software/OS: These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix XenServer 7.0. Solution: Apply the hotfix referenced in the advisory. CVSS Score: 7.2 CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2016-7092 BugTraq ID: 92862 http://www.securityfocus.com/bid/92862 Debian Security Information: DSA-3663 (Google Search) http://www.debian.org/security/2016/dsa-3663 https://security.gentoo.org/glsa/201611-09 http://www.securitytracker.com/id/1036751 Common Vulnerability Exposure (CVE) ID: CVE-2016-7093 BugTraq ID: 92865 http://www.securityfocus.com/bid/92865 http://www.securitytracker.com/id/1036752 Common Vulnerability Exposure (CVE) ID: CVE-2016-7094 BugTraq ID: 92864 http://www.securityfocus.com/bid/92864 http://www.securitytracker.com/id/1036753 Common Vulnerability Exposure (CVE) ID: CVE-2016-7154 BugTraq ID: 92863 http://www.securityfocus.com/bid/92863 http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf http://www.securitytracker.com/id/1036754
Copyright	Copyright (C) 2016 Greenbone AG

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