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FreeBSD : rxvt-unicode is vulnerable to a remote code execution (5b2eac07-8b4d-11ed-8b23-a0f3c100ae18)

critical Nessus Plugin ID 169700

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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 5b2eac07-8b4d-11ed-8b23-a0f3c100ae18 advisory.

 - The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker can control the data written to the user's terminal and certain options are set.
 (CVE-2022-4170)

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-2022-4170

http://www.nessus.org/u?d7dc7182

Plugin Details

Severity: Critical

ID: 169700

File Name: freebsd_pkg_5b2eac078b4d11ed8b23a0f3c100ae18.nasl

Version: 1.0

Type: local

Published: 1/9/2023

Updated: 1/9/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2022-4170

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:rxvt-unicode, 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: 1/3/2023

Vulnerability Publication Date: 12/9/2022

Reference Information

CVE: CVE-2022-4170