Scientific Linux Security Update : tigervnc on SL7.x x86_64 (2023:0045)

high Nessus Plugin ID 169875


The remote Scientific Linux host is missing one or more security updates.


The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2023:0045-1 advisory.

- xorg-x11-server: X.Org Server XkbGetKbdByName use-after-free (CVE-2022-4283)

- xorg-x11-server: X.Org Server XTestSwapFakeInput stack overflow (CVE-2022-46340)

- xorg-x11-server: X.Org Server XIPassiveUngrab out-of-bounds access (CVE-2022-46341)

- xorg-x11-server: X.Org Server XvdiSelectVideoNotify use-after-free (CVE-2022-46342)

- xorg-x11-server: X.Org Server ScreenSaverSetAttributes use-after-free (CVE-2022-46343)

- xorg-x11-server: X.Org Server XIChangeProperty out-of-bounds access (CVE-2022-46344)

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


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 169875

File Name: sl_20230109_tigervnc_on_SL7_x.nasl

Version: 1.0

Type: local

Agent: unix

Published: 1/11/2023

Updated: 1/11/2023

Supported Sensors: Nessus Agent

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS Score Source: CVE-2022-46344


Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/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: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:tigervnc, p-cpe:/a:fermilab:scientific_linux:tigervnc-debuginfo, p-cpe:/a:fermilab:scientific_linux:tigervnc-icons, p-cpe:/a:fermilab:scientific_linux:tigervnc-license, p-cpe:/a:fermilab:scientific_linux:tigervnc-server, p-cpe:/a:fermilab:scientific_linux:tigervnc-server-applet, p-cpe:/a:fermilab:scientific_linux:tigervnc-server-minimal, p-cpe:/a:fermilab:scientific_linux:tigervnc-server-module

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/9/2023

Vulnerability Publication Date: 12/14/2022

Reference Information

CVE: CVE-2022-4283, CVE-2022-46340, CVE-2022-46341, CVE-2022-46342, CVE-2022-46343, CVE-2022-46344