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FreeBSD : xorg-server -- Security issue in the X server (6cc63bf5-a727-4155-8ec4-68b626475e68)

high Nessus Plugin ID 171118

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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 6cc63bf5-a727-4155-8ec4-68b626475e68 advisory.

 - xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation (CVE-2023-0494)

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://lists.x.org/archives/xorg-announce/2023-February/003320.html

http://www.nessus.org/u?273a830e

Plugin Details

Severity: High

ID: 171118

File Name: freebsd_pkg_6cc63bf5a72741558ec468b626475e68.nasl

Version: 1.0

Type: local

Published: 2/8/2023

Updated: 2/8/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-0494

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:xephyr, p-cpe:/a:freebsd:freebsd:xorg-nestserver, p-cpe:/a:freebsd:freebsd:xorg-server, p-cpe:/a:freebsd:freebsd:xorg-vfbserver, p-cpe:/a:freebsd:freebsd:xwayland, p-cpe:/a:freebsd:freebsd:xwayland-devel, 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: 2/8/2023

Vulnerability Publication Date: 2/7/2023

Reference Information

CVE: CVE-2023-0494