FreeBSD : libX11 -- Doublefree in locale handlng code (8da79498-e6f6-11ea-8cbf-54e1ad3d6335)

high Nessus Plugin ID 139831

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Synopsis

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

Description

The X.org project reports :

There is an integer overflow and a double free vulnerability in the way LibX11 handles locales. The integer overflow is a necessary precursor to the double free.

Solution

Update the affected package.

Plugin Details

Severity: High

ID: 139831

File Name: freebsd_pkg_8da79498e6f611ea8cbf54e1ad3d6335.nasl

Version: 1.6

Type: local

Family: FreeBSD Local Security Checks

Published: 8/26/2020

Updated: 2/23/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2020-14363

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:libx11, 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: 8/25/2020

Vulnerability Publication Date: 8/25/2020

Reference Information

CVE: CVE-2020-14363

IAVB: 2020-B-0051

Detections

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