SUSE SLED15 / SLES15 / openSUSE 15 Security Update : dnsmasq (SUSE-SU-2025:0071-1)

high Nessus Plugin ID 213970

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Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:0071-1 advisory.

- Version update to 2.90:
- CVE-2023-50387: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses.
(bsc#1219823)
- CVE-2023-50868: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses.
(bsc#1219826)
- CVE-2023-28450: Default maximum EDNS.0 UDP packet size should be 1232. (bsc#1209358)

Tenable has extracted the preceding description block directly from the SUSE 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 dnsmasq and / or dnsmasq-utils packages.

Plugin Details

Severity: High

ID: 213970

File Name: suse_SU-2025-0071-1.nasl

Version: 1.1

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 1/11/2025

Updated: 1/11/2025

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: 5.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-50387

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:novell:suse_linux:dnsmasq, cpe:/o:novell:suse_linux:15

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: 1/10/2025

Vulnerability Publication Date: 3/15/2023

Reference Information

CVE: CVE-2023-28450, CVE-2023-50387, CVE-2023-50868

SuSE: SUSE-SU-2025:0071-1

Detections

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