Ubuntu 19.04 : unbound vulnerability (USN-4149-1)

high Nessus Plugin ID 129749

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that Unbound incorrectly handled certain NOTIFY queries. An attacker could possibly use this issue to cause a denial of service.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected libunbound8 and / or unbound packages.

See Also

https://usn.ubuntu.com/4149-1/

Plugin Details

Severity: High

ID: 129749

File Name: ubuntu_USN-4149-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/9/2019

Updated: 4/18/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-16866

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:unbound, cpe:/o:canonical:ubuntu_linux:19.04, p-cpe:/a:canonical:ubuntu_linux:libunbound8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/8/2019

Vulnerability Publication Date: 10/3/2019

Reference Information

CVE: CVE-2019-16866

USN: 4149-1