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Scientific Linux Security Update : tigervnc on SL7.x i686/x86_64 (2023:0675)

high Nessus Plugin ID 171259

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Synopsis

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

Description

The remote Scientific Linux 7 host has packages installed that are affected by a vulnerability as referenced in the SLSA-2023:0675-1 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://www.scientificlinux.org/category/sl-errata/slsa-20230675-1

Plugin Details

Severity: High

ID: 171259

File Name: sl_20230209_tigervnc_on_SL7_x.nasl

Version: 1.0

Type: local

Agent: unix

Published: 2/9/2023

Updated: 2/9/2023

Supported Sensors: Nessus Agent, 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: 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, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-xdmx, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-xephyr, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-xnest, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-xorg, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-xvfb, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-xwayland, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-common, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-debuginfo, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-devel, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-source

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/9/2023

Vulnerability Publication Date: 2/8/2023

Reference Information

CVE: CVE-2023-0494