Test ID:	1.3.6.1.4.1.25623.1.0.891132
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-1132-1)
Summary:	The remote host is missing an update for the Debian 'xen' package(s) announced via the DLA-1132-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'xen' package(s) announced via the DLA-1132-1 advisory. Vulnerability Insight: Multiple vulnerabilities have been discovered in the Xen hypervisor: CVE-2017-10912 Jann Horn discovered that incorrectly handling of page transfers might result in privilege escalation. CVE-2017-10913 / CVE-2017-10914 Jann Horn discovered that race conditions in grant handling might result in information leaks or privilege escalation. CVE-2017-10915 Andrew Cooper discovered that incorrect reference counting with shadow paging might result in privilege escalation. CVE-2017-10918 Julien Grall discovered that incorrect error handling in physical-to-machine memory mappings may result in privilege escalation, denial of service or an information leak. CVE-2017-10920 / CVE-2017-10921 / CVE-2017-10922 Jan Beulich discovered multiple places where reference counting on grant table operations was incorrect, resulting in potential privilege escalation CVE-2017-12135 Jan Beulich found multiple problems in the handling of transitive grants which could result in denial of service and potentially privilege escalation. CVE-2017-12137 Andrew Cooper discovered that incorrect validation of grants may result in privilege escalation. CVE-2017-12855 Jan Beulich discovered that incorrect grant status handling, thus incorrectly informing the guest that the grant is no longer in use. CVE-2017-14316 Matthew Daley discovered that the NUMA node parameter wasn't verified which which may result in privilege escalation. CVE-2017-14317 Eric Chanudet discovered that a race conditions in cxenstored might result in information leaks or privilege escalation. CVE-2017-14318 Matthew Daley discovered that incorrect validation of grants may result in a denial of service. CVE-2017-14319 Andrew Cooper discovered that insufficient grant unmapping checks may result in denial of service and privilege escalation. For Debian 7 Wheezy, these problems have been fixed in version 4.1.6.lts1-9. We recommend that you upgrade your xen packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'xen' package(s) on Debian 7. Solution: Please install the updated package(s). CVSS Score: 10.0 CVSS Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2017-10912 BugTraq ID: 99158 http://www.securityfocus.com/bid/99158 Debian Security Information: DSA-3969 (Google Search) http://www.debian.org/security/2017/dsa-3969 https://security.gentoo.org/glsa/201708-03 https://security.gentoo.org/glsa/201710-17 http://www.securitytracker.com/id/1038721 Common Vulnerability Exposure (CVE) ID: CVE-2017-10913 BugTraq ID: 99411 http://www.securityfocus.com/bid/99411 http://www.securitytracker.com/id/1038722 Common Vulnerability Exposure (CVE) ID: CVE-2017-10914 Common Vulnerability Exposure (CVE) ID: CVE-2017-10915 BugTraq ID: 99174 http://www.securityfocus.com/bid/99174 Common Vulnerability Exposure (CVE) ID: CVE-2017-10918 BugTraq ID: 99161 http://www.securityfocus.com/bid/99161 http://www.securitytracker.com/id/1038732 Common Vulnerability Exposure (CVE) ID: CVE-2017-10920 http://www.securitytracker.com/id/1038734 Common Vulnerability Exposure (CVE) ID: CVE-2017-10921 Common Vulnerability Exposure (CVE) ID: CVE-2017-10922 Common Vulnerability Exposure (CVE) ID: CVE-2017-12135 BugTraq ID: 100344 http://www.securityfocus.com/bid/100344 https://security.gentoo.org/glsa/201801-14 https://bugzilla.redhat.com/show_bug.cgi?id=1477655 http://www.openwall.com/lists/oss-security/2017/08/15/1 http://www.openwall.com/lists/oss-security/2017/08/17/6 http://www.openwall.com/lists/oss-security/2020/04/14/4 http://www.securitytracker.com/id/1039178 Common Vulnerability Exposure (CVE) ID: CVE-2017-12137 BugTraq ID: 100342 http://www.securityfocus.com/bid/100342 https://bugzilla.redhat.com/show_bug.cgi?id=1477657 http://www.openwall.com/lists/oss-security/2017/08/15/2 http://www.securitytracker.com/id/1039174 Common Vulnerability Exposure (CVE) ID: CVE-2017-12855 BugTraq ID: 100341 http://www.securityfocus.com/bid/100341 http://www.securitytracker.com/id/1039177 Common Vulnerability Exposure (CVE) ID: CVE-2017-14316 BugTraq ID: 100818 http://www.securityfocus.com/bid/100818 Debian Security Information: DSA-4050 (Google Search) https://www.debian.org/security/2017/dsa-4050 https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html http://www.securitytracker.com/id/1039348 Common Vulnerability Exposure (CVE) ID: CVE-2017-14317 BugTraq ID: 100826 http://www.securityfocus.com/bid/100826 http://www.securitytracker.com/id/1039350 Common Vulnerability Exposure (CVE) ID: CVE-2017-14318 BugTraq ID: 100817 http://www.securityfocus.com/bid/100817 http://www.securitytracker.com/id/1039349 Common Vulnerability Exposure (CVE) ID: CVE-2017-14319 BugTraq ID: 100819 http://www.securityfocus.com/bid/100819 http://www.securitytracker.com/id/1039351
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