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

Medium Nessus Plugin ID 108827

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: Medium

ID: 108827

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

Version: 1.9

Type: local

Agent: unix

Published: 2018/04/04

Updated: 2019/09/10

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Temporal Score: 4.3

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

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSS v3.0

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

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: 2018/04/03

Vulnerability Publication Date: 2018/01/04

Reference Information

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

IAVA: 2018-A-0020