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Ubuntu 18.04 LTS : libvirt vulnerabilities (USN-4371-1)

medium Nessus Plugin ID 136802

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Synopsis

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

Description

The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4371-1 advisory.

 It was discovered that libvirt incorrectly handled an active pool without a target path. A remote attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service.
 (CVE-2020-10703)

 It was discovered that libvirt incorrectly handled memory when retrieving certain domain statistics. A remote attacker could possibly use this issue to cause libvirt to consume resources, resulting in a denial of service. This issue only affected Ubuntu 19.10. (CVE-2020-12430)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-4371-1

Plugin Details

Severity: Medium

ID: 136802

File Name: ubuntu_USN-4371-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 5/22/2020

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

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

CVSS Score Source: CVE-2020-12430

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libvirt-clients, p-cpe:/a:canonical:ubuntu_linux:libvirt0, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libvirt-daemon, p-cpe:/a:canonical:ubuntu_linux:libvirt-daemon-driver-storage-zfs, p-cpe:/a:canonical:ubuntu_linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:canonical:ubuntu_linux:libvirt-daemon-driver-storage-sheepdog, p-cpe:/a:canonical:ubuntu_linux:libvirt-sanlock, p-cpe:/a:canonical:ubuntu_linux:libvirt-daemon-driver-storage-gluster, p-cpe:/a:canonical:ubuntu_linux:libvirt-daemon-system, p-cpe:/a:canonical:ubuntu_linux:libnss-libvirt, p-cpe:/a:canonical:ubuntu_linux:libvirt-bin, p-cpe:/a:canonical:ubuntu_linux:libvirt-dev, p-cpe:/a:canonical:ubuntu_linux:libvirt-wireshark

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/21/2020

Vulnerability Publication Date: 4/28/2020

Reference Information

CVE: CVE-2020-10703, CVE-2020-12430

USN: 4371-1