FreeBSD : dhcpcd -- multiple vulnerabilities (df587aa2-b5a5-11e5-9728-002590263bf5)

critical Nessus Plugin ID 87791

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Synopsis

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

Description

Nico Golde reports :

heap overflow via malformed dhcp responses later in print_option (via dhcp_envoption1) due to incorrect option length values. Exploitation is non-trivial, but I'd love to be proven wrong.

invalid read/crash via malformed dhcp responses. not exploitable beyond DoS as far as I can judge.

Solution

Update the affected package.

Plugin Details

Severity: Critical

ID: 87791

File Name: freebsd_pkg_df587aa2b5a511e59728002590263bf5.nasl

Version: 2.6

Type: local

Family: FreeBSD Local Security Checks

Published: 1/8/2016

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

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

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

Patch Publication Date: 1/8/2016

Vulnerability Publication Date: 1/4/2016

Reference Information

CVE: CVE-2016-1503, CVE-2016-1504

Detections

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