SUSE SLES12 Security Update : xen (SUSE-SU-2020:0334-1)

critical Nessus Plugin ID 133539

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New! Plugin Severity Now Using CVSS v3

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for xen fixes the following issues :

CVE-2020-7211: potential directory traversal using relative paths via tftp server on Windows host (bsc#1161181).

CVE-2019-19579: Device quarantine for alternate pci assignment methods (bsc#1157888).

CVE-2019-19581: find_next_bit() issues (bsc#1158003).

CVE-2019-19583: VMentry failure with debug exceptions and blocked states (bsc#1158004).

CVE-2019-19578: Linear pagetable use / entry miscounts (bsc#1158005).

CVE-2019-19580: Further issues with restartable PV type change operations (bsc#1158006).

CVE-2019-19577: dynamic height for the IOMMU pagetables (bsc#1158007).

CVE-2019-18420: VCPUOP_initialise DoS (bsc#1154448).

CVE-2019-18425: missing descriptor table limit checking in x86 PV emulation (bsc#1154456).

CVE-2019-18421: Issues with restartable PV type change operations (bsc#1154458).

CVE-2019-18424: passed through PCI devices may corrupt host memory after deassignment (bsc#1154461).

CVE-2018-12207: Machine Check Error Avoidance on Page Size Change (aka IFU issue) (bsc#1155945).

CVE-2019-11135: TSX Asynchronous Abort (TAA) issue (bsc#1152497).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud 7 :

zypper in -t patch SUSE-OpenStack-Cloud-7-2020-334=1

SUSE Linux Enterprise Server for SAP 12-SP2 :

zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-334=1

SUSE Linux Enterprise Server 12-SP2-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-334=1

SUSE Linux Enterprise Server 12-SP2-BCL :

zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-334=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1152497

https://bugzilla.suse.com/show_bug.cgi?id=1154448

https://bugzilla.suse.com/show_bug.cgi?id=1154456

https://bugzilla.suse.com/show_bug.cgi?id=1154458

https://bugzilla.suse.com/show_bug.cgi?id=1154461

https://bugzilla.suse.com/show_bug.cgi?id=1155945

https://bugzilla.suse.com/show_bug.cgi?id=1157888

https://bugzilla.suse.com/show_bug.cgi?id=1158003

https://bugzilla.suse.com/show_bug.cgi?id=1158004

https://bugzilla.suse.com/show_bug.cgi?id=1158005

https://bugzilla.suse.com/show_bug.cgi?id=1158006

https://bugzilla.suse.com/show_bug.cgi?id=1158007

https://bugzilla.suse.com/show_bug.cgi?id=1161181

https://www.suse.com/security/cve/CVE-2018-12207/

https://www.suse.com/security/cve/CVE-2019-11135/

https://www.suse.com/security/cve/CVE-2019-18420/

https://www.suse.com/security/cve/CVE-2019-18421/

https://www.suse.com/security/cve/CVE-2019-18424/

https://www.suse.com/security/cve/CVE-2019-18425/

https://www.suse.com/security/cve/CVE-2019-19577/

https://www.suse.com/security/cve/CVE-2019-19578/

https://www.suse.com/security/cve/CVE-2019-19579/

https://www.suse.com/security/cve/CVE-2019-19580/

https://www.suse.com/security/cve/CVE-2019-19581/

https://www.suse.com/security/cve/CVE-2019-19583/

https://www.suse.com/security/cve/CVE-2020-7211/

http://www.nessus.org/u?84dc9ed4

Plugin Details

Severity: Critical

ID: 133539

File Name: suse_SU-2020-0334-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/7/2020

Updated: 1/13/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-debugsource, p-cpe:/a:novell:suse_linux:xen-doc-html, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-libs-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools-domU, p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2/6/2020

Vulnerability Publication Date: 10/31/2019

Reference Information

CVE: CVE-2018-12207, CVE-2019-11135, CVE-2019-18420, CVE-2019-18421, CVE-2019-18424, CVE-2019-18425, CVE-2019-19577, CVE-2019-19578, CVE-2019-19579, CVE-2019-19580, CVE-2019-19581, CVE-2019-19583, CVE-2020-7211

IAVB: 2019-B-0091-S