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FreeBSD : FreeBSD -- ICMPv6 / MLDv2 out-of-bounds memory access (41d2f3e6-f680-11e9-a87f-a4badb2f4699)

critical Nessus Plugin ID 130241

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Synopsis

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

Description

The ICMPv6 input path incorrectly handles cases where an MLDv2 listener query packet is internally fragmented across multiple mbufs.
Impact : A remote attacker may be able to cause an out-of-bounds read or write that may cause the kernel to attempt to access an unmapped page and subsequently panic.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?846f23fc

Plugin Details

Severity: Critical

ID: 130241

File Name: freebsd_pkg_41d2f3e6f68011e9a87fa4badb2f4699.nasl

Version: 1.3

Type: local

Published: 10/25/2019

Updated: 4/17/2024

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-5608

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:freebsd, cpe:/o:freebsd:freebsd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/24/2019

Vulnerability Publication Date: 8/6/2019

Reference Information

CVE: CVE-2019-5608

FreeBSD: SA-19:19.mldv2