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FreeBSD : dnsmasq -- heap use-after-free in dhcp6_no_relay (3f321a5a-b33b-11ec-80c2-1bb2c6a00592)

high Nessus Plugin ID 159471

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Synopsis

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

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 3f321a5a-b33b-11ec-80c2-1bb2c6a00592 advisory.

 - A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service. (CVE-2022-0934)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?e7e361fd

http://www.nessus.org/u?2a4e838c

Plugin Details

Severity: High

ID: 159471

File Name: freebsd_pkg_3f321a5ab33b11ec80c21bb2c6a00592.nasl

Version: 1.5

Type: local

Published: 4/3/2022

Updated: 3/21/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2022-0934

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:freebsd:freebsd:dnsmasq, p-cpe:/a:freebsd:freebsd:dnsmasq-devel, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 4/3/2022

Vulnerability Publication Date: 4/3/2022

Reference Information

CVE: CVE-2022-0934