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SUSE SLED12 / SLES12 Security Update : libvirt (SUSE-SU-2018:0861-1) (Spectre)

high Nessus Plugin ID 108827

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Synopsis

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

Description

This update for libvirt fixes the following issues: Security issues fixed :

 - CVE-2017-5715: Fixes for speculative side channel attacks aka 'SpectreAttack' (var2) (bsc#1079869).

 - CVE-2018-6764: Fixed guest executable code injection via libnss_dns.so loaded by libvirt_lxc before init (bsc#1080042).

 - CVE-2018-1064: Fixed denial of service when reading from guest agent (bsc#1083625). Non-security issues fixed :

 - Error starting domain: internal error: No usable sysfs TPM cancel file could be found (bsc#1078808).

 - SUSE Linux Enterprise 11 SP4 hvm converted to pvhvm.
 Unless vm memory is on gig boundary, vm won't boot (bsc#1082041).

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 Linux Enterprise Workstation Extension 12-SP2:zypper in -t patch SUSE-SLE-WE-12-SP2-2018-576=1

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2018-576=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2018-576=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-576=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2018-576=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1078808

https://bugzilla.suse.com/show_bug.cgi?id=1079869

https://bugzilla.suse.com/show_bug.cgi?id=1080042

https://bugzilla.suse.com/show_bug.cgi?id=1082041

https://bugzilla.suse.com/show_bug.cgi?id=1083625

https://www.suse.com/security/cve/CVE-2017-5715/

https://www.suse.com/security/cve/CVE-2018-1064/

https://www.suse.com/security/cve/CVE-2018-6764/

http://www.nessus.org/u?315f6f76

Plugin Details

Severity: High

ID: 108827

File Name: suse_SU-2018-0861-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 4/4/2018

Updated: 9/10/2019

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nodedev-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-network-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage, p-cpe:/a:novell:suse_linux:libvirt-daemon-hooks, p-cpe:/a:novell:suse_linux:libvirt-daemon-qemu, p-cpe:/a:novell:suse_linux:libvirt-client-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-debugsource, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:novell:suse_linux:libvirt-daemon-config-nwfilter, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-secret, p-cpe:/a:novell:suse_linux:libvirt-nss-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-libxl, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-secret-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-interface-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-lxc, p-cpe:/a:novell:suse_linux:libvirt-daemon-xen, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-lxc-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-qemu-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nwfilter-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nodedev, p-cpe:/a:novell:suse_linux:libvirt-doc, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-libxl-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-lock-sanlock, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-qemu, p-cpe:/a:novell:suse_linux:libvirt-daemon-config-network, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-network, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-lxc, p-cpe:/a:novell:suse_linux:libvirt-daemon, p-cpe:/a:novell:suse_linux:libvirt-client, p-cpe:/a:novell:suse_linux:libvirt-nss, p-cpe:/a:novell:suse_linux:libvirt, p-cpe:/a:novell:suse_linux:libvirt-lock-sanlock-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-interface

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/3/2018

Vulnerability Publication Date: 1/4/2018

Reference Information

CVE: CVE-2017-5715, CVE-2018-1064, CVE-2018-6764

IAVA: 2018-A-0020