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FreeBSD 11.x < 11.2-RELEASE-p7 / 12.x < 12.0-RELEASE-p1 bootpd stack buffer overflow

critical Nessus Plugin ID 126754

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Synopsis

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

Description

The version of the FreeBSD kernel running on the remote host is 11.x prior to 11.2-RELEASE-p7 or 12.x prior to 12.0-RELEASE-p1. It is, therefore, affected by a stack buffer overflow vulnerability in bootpd. Insufficient validation of network-provided data in bootpd may make it possible for a malicious attacker to craft a bootp packet which could cause a stack buffer overflow. It is possible that the buffer overflow could lead to a Denial of Service or remote code execution.

Solution

Upgrade to the appropriate FreeBSD version.

See Also

http://www.nessus.org/u?3ffd9047

Plugin Details

Severity: Critical

ID: 126754

File Name: freebsd_sa-18-15_bootpd.nasl

Version: 1.3

Type: local

Published: 7/17/2019

Updated: 5/9/2024

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-2018-17161

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: cpe:/o:freebsd:freebsd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/19/2018

Vulnerability Publication Date: 12/19/2018

Reference Information

CVE: CVE-2018-17161

BID: 106292