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FreeBSD : expat -- Heap use-after-free vulnerability (0a0670a1-3e1a-11ed-b48b-e0d55e2a8bf9)

high Nessus Plugin ID 165509

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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 0a0670a1-3e1a-11ed-b48b-e0d55e2a8bf9 advisory.

 - libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c. (CVE-2022-40674)

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

https://nvd.nist.gov/vuln/detail/CVE-2022-40674

https://www.debian.org/security/2022/dsa-5236

http://www.nessus.org/u?26d58c0b

Plugin Details

Severity: High

ID: 165509

File Name: freebsd_pkg_0a0670a13e1a11edb48be0d55e2a8bf9.nasl

Version: 1.4

Type: local

Published: 9/27/2022

Updated: 2/2/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2022-40674

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/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: p-cpe:/a:freebsd:freebsd:expat, cpe:/o:freebsd:freebsd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/27/2022

Vulnerability Publication Date: 9/14/2022

Reference Information

CVE: CVE-2022-40674