RHEL 7 : tigervnc (RHSA-2023:0045)

high Nessus Plugin ID 169706

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:0045 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.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/CVE-2022-4283

https://access.redhat.com/security/cve/CVE-2022-46340

https://access.redhat.com/security/cve/CVE-2022-46341

https://access.redhat.com/security/cve/CVE-2022-46342

https://access.redhat.com/security/cve/CVE-2022-46343

https://access.redhat.com/security/cve/CVE-2022-46344

https://access.redhat.com/errata/RHSA-2023:0045

https://bugzilla.redhat.com/2151755

https://bugzilla.redhat.com/2151756

https://bugzilla.redhat.com/2151757

https://bugzilla.redhat.com/2151758

https://bugzilla.redhat.com/2151760

https://bugzilla.redhat.com/2151761

Plugin Details

Severity: High

ID: 169706

File Name: redhat-RHSA-2023-0045.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/9/2023

Updated: 5/24/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2022-46344

CVSS v3

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:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:tigervnc, p-cpe:/a:redhat:enterprise_linux:tigervnc-icons, p-cpe:/a:redhat:enterprise_linux:tigervnc-license, p-cpe:/a:redhat:enterprise_linux:tigervnc-server, p-cpe:/a:redhat:enterprise_linux:tigervnc-server-applet, p-cpe:/a:redhat:enterprise_linux:tigervnc-server-minimal, p-cpe:/a:redhat:enterprise_linux:tigervnc-server-module

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: 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

CWE: 121, 125, 416

RHSA: 2023:0045