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mageiaGentoo FoundationMGASA-2023-0153
HistoryApr 24, 2023 - 3:20 a.m.

Updated dnsmasq packages fix security vulnerability

2023-04-2403:20:26
Gentoo Foundation
advisories.mageia.org
21
dnsmasq
edns.0
udp
security vulnerability
cve-2023-28450
dns flag day 2020

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

62.2%

A flaw was found in Dnsmasq. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020. (CVE-2023-28450)

OSVersionArchitecturePackageVersionFilename
Mageia8noarchdnsmasq< 2.85-6dnsmasq-2.85-6.mga8

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

62.2%