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SUSE SLES12 Security Update : libvirt (SUSE-SU-2020:2233-1)

high Nessus Plugin ID 139594

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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 :

CVE-2020-14339: Don't leak /dev/mapper/control into QEMU. Use ioctl's to obtain the dependency tree of disks and drop use of libdevmapper. - bsc#1161883, bsc#1174458

qemu: Setup emulator thread and cpuset.mems before exec - bsc#1171946

libxl: Normalize MAC address in device conf on netdev hotplug - bsc#1172052

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 Software Development Kit 12-SP5 :

zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-2233=1

SUSE Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2233=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1161883

https://bugzilla.suse.com/show_bug.cgi?id=1171946

https://bugzilla.suse.com/show_bug.cgi?id=1172052

https://bugzilla.suse.com/show_bug.cgi?id=1174458

https://www.suse.com/security/cve/CVE-2020-14339/

http://www.nessus.org/u?4333dbb5

Plugin Details

Severity: High

ID: 139594

File Name: suse_SU-2020-2233-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 8/14/2020

Updated: 2/26/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2020-14339

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:novell:suse_linux:libvirt-libs, 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-daemon-driver-storage-iscsi, p-cpe:/a:novell:suse_linux:libvirt-client-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-core, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:novell:suse_linux:libvirt-debugsource, p-cpe:/a:novell:suse_linux:libvirt-admin-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-logical-debuginfo, 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-daemon-driver-storage-rbd, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-scsi-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-nss-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-mpath, 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-libs-debuginfo, 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-daemon-driver-storage-iscsi-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-doc, p-cpe:/a:novell:suse_linux:libvirt-admin, 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-storage-disk-debuginfo, 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-daemon-driver-storage-scsi, p-cpe:/a:novell:suse_linux:libvirt-client, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-rbd-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-nss, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-core-debuginfo, p-cpe:/a:novell:suse_linux:libvirt, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-mpath-debuginfo, 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 Ease: No known exploits are available

Patch Publication Date: 8/13/2020

Vulnerability Publication Date: 12/3/2020

Reference Information

CVE: CVE-2020-14339