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FreeBSD : Mbed TLS -- Potential double-free after an out of memory error (c1b2b492-6999-11ec-a50c-001cc0382b2f)

critical Nessus Plugin ID 156403

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Synopsis

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

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the c1b2b492-6999-11ec-a50c-001cc0382b2f advisory.

 - Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure. (CVE-2021-44732)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?75529e00

http://www.nessus.org/u?e2a33a2b

Plugin Details

Severity: Critical

ID: 156403

File Name: freebsd_pkg_c1b2b492699911eca50c001cc0382b2f.nasl

Version: 1.4

Type: local

Published: 12/30/2021

Updated: 11/21/2023

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-2021-44732

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:mbedtls, 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: 12/30/2021

Vulnerability Publication Date: 12/20/2021

Reference Information

CVE: CVE-2021-44732