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FreeBSD : FreeBSD -- Improper ELF header parsing (a67c122a-b693-11e8-ac58-a4badb2f4699)

high Nessus Plugin ID 117465

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Synopsis

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

Description

Insufficient validation was performed in the ELF header parser, and malformed or otherwise invalid ELF binaries were not rejected as they should be. Impact : Execution of a malicious ELF binary may result in a kernel crash or may disclose kernel memory.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?9aa15c0c

Plugin Details

Severity: High

ID: 117465

File Name: freebsd_pkg_a67c122ab69311e8ac58a4badb2f4699.nasl

Version: 1.6

Type: local

Published: 9/13/2018

Updated: 12/7/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 5.6

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

CVSS v3

Risk Factor: High

Base Score: 7.1

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

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

Patch Publication Date: 9/12/2018

Vulnerability Publication Date: 9/12/2018

Reference Information

CVE: CVE-2018-6924

FreeBSD: SA-18:12.elf