Test Kennung:	1.3.6.1.4.1.25623.1.0.106911
Kategorie:	Citrix Xenserver Local Security Checks
Titel:	Citrix XenServer Multiple Security Updates (CTX223291)
Zusammenfassung:	A number of security issues have been identified within Citrix XenServer.; These issues could, if exploited, allow a malicious administrator of a PV guest VM to compromise the host.
Beschreibung:	Summary: A number of security issues have been identified within Citrix XenServer. These issues could, if exploited, allow a malicious administrator of a PV guest VM to compromise the host. Vulnerability Insight: The following vulnerabilities have been addressed: - CVE-2017-8903 (High): x86: 64bit PV guest breakout via pagetable use-after-mode-change - CVE-2017-8904 (High): grant transfer allows PV guest to elevate privileges - CVE-2017-8905 (Low): possible memory corruption via failsafe callback Affected Software/OS: XenServer versions 7.1, 7.0, 6.5, 6.2.0, 6.0.2. 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-2017-8903 BugTraq ID: 98426 http://www.securityfocus.com/bid/98426 https://security.gentoo.org/glsa/201705-11 http://www.securitytracker.com/id/1038386 Common Vulnerability Exposure (CVE) ID: CVE-2017-8904 BugTraq ID: 98428 http://www.securityfocus.com/bid/98428 http://www.securitytracker.com/id/1038387 Common Vulnerability Exposure (CVE) ID: CVE-2017-8905 BugTraq ID: 98436 http://www.securityfocus.com/bid/98436 http://www.securitytracker.com/id/1038388
Copyright	Copyright (C) 2017 Greenbone AG

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