Debian dla-3795 : knot-resolver - security update

high Nessus Plugin ID 193916

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3795 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-3795-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany April 26, 2024 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : knot-resolver Version : 3.2.1-3+deb10u2 CVE ID : CVE-2019-10190 CVE-2019-10191 CVE-2019-19331 CVE-2020-12667 Debian Bug : 932048 946181 961076

Several security vulnerabilities have been discovered in knot-resolver, a caching, DNSSEC-validating DNS resolver which may allow remote attackers to bypass DNSSEC validation or cause a denial-of-service.

For Debian 10 buster, these problems have been fixed in version 3.2.1-3+deb10u2.

We recommend that you upgrade your knot-resolver packages.

For the detailed security status of knot-resolver please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/knot-resolver

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the knot-resolver packages.

See Also

http://www.nessus.org/u?8a867234

https://security-tracker.debian.org/tracker/CVE-2019-10190

https://security-tracker.debian.org/tracker/CVE-2019-10191

https://security-tracker.debian.org/tracker/CVE-2019-19331

https://security-tracker.debian.org/tracker/CVE-2020-12667

https://packages.debian.org/source/buster/knot-resolver

Plugin Details

Severity: High

ID: 193916

File Name: debian_DLA-3795.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/26/2024

Updated: 1/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-10191

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:knot-resolver-module-http, p-cpe:/a:debian:debian_linux:knot-resolver-doc, p-cpe:/a:debian:debian_linux:knot-resolver

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/26/2024

Vulnerability Publication Date: 7/10/2019

Reference Information

CVE: CVE-2019-10190, CVE-2019-10191, CVE-2019-19331, CVE-2020-12667