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Test ID:1.3.6.1.4.1.25623.1.0.104641
Category:Denial of Service
Title:Dnsmasq <= 2.89 UDP Fragmentation DoS Vulnerability
Summary:Dnsmasq is prone to a denial of service (DoS) vulnerability via; an UDP Fragmentation attack.
Description:Summary:
Dnsmasq is prone to a denial of service (DoS) vulnerability via
an UDP Fragmentation attack.

Vulnerability Insight:
The default maximum EDNS.0 UDP packet size was set to 4096 but
should be 1232 because of DNS Flag Day 2020.

Affected Software/OS:
Dnsmasq version 2.89 and prior.

Solution:
Update to version 2.90 or later.

CVSS Score:
7.8

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2023-28450
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OU2ZT4ITSEOOR2CFBAHK4Z67KXJIEWQA/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6UQ6LKDTLSSD64TBIZ3XEKBM2SWC63VV/
https://capec.mitre.org/data/definitions/495.html
https://thekelleys.org.uk/dnsmasq/doc.html
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=blob;f=CHANGELOG
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=eb92fb32b746f2104b0f370b5b295bb8dd4bd5e5
CopyrightCopyright (C) 2023 Greenbone AG

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