openSUSE Security Update : libvirt (openSUSE-2019-1294)

medium Nessus Plugin ID 124402
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote openSUSE host is missing a security update.

Description

This update for libvirt fixes the following issues :

Security issues fixed :

- CVE-2019-3840: Fixed a NULL pointer dereference vulnerability in virJSONValueObjectHasKey function which could have resulted in a remote denial of service via the guest agent (bsc#1127458).

- CVE-2019-3886: Fixed an information leak which allowed to retrieve the guest hostname under readonly mode (bsc#1131595).

Other issue addressed :

- cpu: add Skylake-Server and Skylake-Server-IBRS CPU models (FATE#327261, bsc#1131955)

- libxl: save current memory value after successful balloon (bsc#1120813).

- libxl: support Xen's max_grant_frames setting with maxGrantFrames attribute on the xenbus controller (bsc#1126325).

- conf: add new 'xenbus' controller type

This update was imported from the SUSE:SLE-12-SP3:Update update project.

Solution

Update the affected libvirt packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1120813

https://bugzilla.opensuse.org/show_bug.cgi?id=1126325

https://bugzilla.opensuse.org/show_bug.cgi?id=1127458

https://bugzilla.opensuse.org/show_bug.cgi?id=1131595

https://bugzilla.opensuse.org/show_bug.cgi?id=1131955

https://features.opensuse.org/327261

Plugin Details

Severity: Medium

ID: 124402

File Name: openSUSE-2019-1294.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/30/2019

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-3886

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 3.5

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:libvirt, p-cpe:/a:novell:opensuse:libvirt-admin, p-cpe:/a:novell:opensuse:libvirt-admin-debuginfo, p-cpe:/a:novell:opensuse:libvirt-client, p-cpe:/a:novell:opensuse:libvirt-client-debuginfo, p-cpe:/a:novell:opensuse:libvirt-client-debuginfo-32bit, p-cpe:/a:novell:opensuse:libvirt-daemon, p-cpe:/a:novell:opensuse:libvirt-daemon-config-network, p-cpe:/a:novell:opensuse:libvirt-daemon-config-nwfilter, p-cpe:/a:novell:opensuse:libvirt-daemon-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-interface, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-interface-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-libxl, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-libxl-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-lxc, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-lxc-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-network, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-network-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-nodedev, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-nodedev-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-nwfilter, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-nwfilter-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-qemu, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-qemu-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-secret, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-secret-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-core, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-core-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-disk, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-disk-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-iscsi-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-logical, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-logical-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-mpath, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-mpath-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-rbd, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-rbd-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-scsi, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-storage-scsi-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-uml, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-uml-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-vbox, p-cpe:/a:novell:opensuse:libvirt-daemon-driver-vbox-debuginfo, p-cpe:/a:novell:opensuse:libvirt-daemon-hooks, p-cpe:/a:novell:opensuse:libvirt-daemon-lxc, p-cpe:/a:novell:opensuse:libvirt-daemon-qemu, p-cpe:/a:novell:opensuse:libvirt-daemon-uml, p-cpe:/a:novell:opensuse:libvirt-daemon-vbox, p-cpe:/a:novell:opensuse:libvirt-daemon-xen, p-cpe:/a:novell:opensuse:libvirt-debugsource, p-cpe:/a:novell:opensuse:libvirt-devel, p-cpe:/a:novell:opensuse:libvirt-devel-32bit, p-cpe:/a:novell:opensuse:libvirt-libs, p-cpe:/a:novell:opensuse:libvirt-libs-debuginfo, p-cpe:/a:novell:opensuse:libvirt-lock-sanlock, p-cpe:/a:novell:opensuse:libvirt-lock-sanlock-debuginfo, p-cpe:/a:novell:opensuse:libvirt-nss, p-cpe:/a:novell:opensuse:libvirt-nss-debuginfo, cpe:/o:novell:opensuse:42.3

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/29/2019

Vulnerability Publication Date: 3/27/2019

Reference Information

CVE: CVE-2019-3840, CVE-2019-3886