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FreeBSD : Multi-link PPP protocol daemon MPD5 remotely exploitable crash (cd97c7ca-f079-11ea-9c31-001b216d295b)

critical Nessus Plugin ID 140314

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

Version 5.9 contains security fix for L2TP clients and servers.
Insufficient validation of incoming L2TP control packet specially crafted by unauthenticated user might lead to unexpected termination of the process. The problem affects mpd versions since 4.0 that brought in initial support for L2TP. Installations not using L2TP clients nor L2TP server configuration were not affected.

Solution

Update the affected package.

See Also

http://mpd.sourceforge.net/doc5/mpd4.html#4

http://www.nessus.org/u?33d18d14

Plugin Details

Severity: Critical

ID: 140314

File Name: freebsd_pkg_cd97c7caf07911ea9c31001b216d295b.nasl

Version: 1.4

Type: local

Published: 9/8/2020

Updated: 2/21/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2020-7465

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:mpd5, cpe:/o:freebsd:freebsd

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/6/2020

Vulnerability Publication Date: 9/4/2020

Reference Information

CVE: CVE-2020-7465, CVE-2020-7466