RHEL 8 : GNOME (RHSA-2021:4381)

critical Nessus Plugin ID 155153

Language:

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4381 advisory.

GNOME is the default desktop environment of Red Hat Enterprise Linux.

The following packages have been upgraded to a later upstream version: gdm (40.0), webkit2gtk3 (2.32.3).
(BZ#1909300)

Security Fix(es):

* webkitgtk: Use-after-free in AudioSourceProviderGStreamer leading to arbitrary code execution (CVE-2020-13558)

* LibRaw: Stack buffer overflow in LibRaw::identify_process_dng_fields() in identify.cpp (CVE-2020-24870)

* webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2020-27918)

* webkitgtk: IFrame sandboxing policy violation (CVE-2021-1765)

* webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-1788)

* webkitgtk: Type confusion issue leading to arbitrary code execution (CVE-2021-1789)

* webkitgtk: Access to restricted ports on arbitrary servers via port redirection (CVE-2021-1799)

* webkitgtk: IFrame sandboxing policy violation (CVE-2021-1801)

* webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-1844)

* webkitgtk: Logic issue leading to arbitrary code execution (CVE-2021-1870)

* webkitgtk: Logic issue leading to arbitrary code execution (CVE-2021-1871)

* webkitgtk: Use-after-free in ImageLoader dispatchPendingErrorEvent leading to information leak and possibly code execution (CVE-2021-21775)

* webkitgtk: Use-after-free in WebCore::GraphicsContext leading to information leak and possibly code execution (CVE-2021-21779)

* webkitgtk: Use-after-free in fireEventListeners leading to arbitrary code execution (CVE-2021-21806)

* webkitgtk: Integer overflow leading to arbitrary code execution (CVE-2021-30663)

* webkitgtk: Memory corruption leading to arbitrary code execution (CVE-2021-30665)

* webkitgtk: Logic issue leading to leak of sensitive user information (CVE-2021-30682)

* webkitgtk: Logic issue leading to universal cross site scripting attack (CVE-2021-30689)

* webkitgtk: Logic issue allowing access to restricted ports on arbitrary servers (CVE-2021-30720)

* webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30734)

* webkitgtk: Cross-origin issue with iframe elements leading to universal cross site scripting attack (CVE-2021-30744)

* webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30749)

* webkitgtk: Type confusion leading to arbitrary code execution (CVE-2021-30758)

* webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30795)

* webkitgtk: Insufficient checks leading to arbitrary code execution (CVE-2021-30797)

* webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30799)

* webkitgtk: User may be unable to fully delete browsing history (CVE-2020-29623)

* gnome-autoar: Directory traversal via directory symbolic links pointing outside of the destination directory (CVE-2020-36241)

* gnome-autoar: Directory traversal via directory symbolic links pointing outside of the destination directory (incomplete CVE-2020-36241 fix) (CVE-2021-28650)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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.

Plugin Details

Severity: Critical

ID: 155153

File Name: redhat-RHSA-2021-4381.nasl

Version: 1.16

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/11/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.7

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

CVSS Score Source: CVE-2021-30799

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

CVSS Score Source: CVE-2021-1871

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:webkit2gtk3, p-cpe:/a:redhat:enterprise_linux:gnome-autoar, p-cpe:/a:redhat:enterprise_linux:libraw, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc-devel, p-cpe:/a:redhat:enterprise_linux:libraw-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-devel, cpe:/o:redhat:enterprise_linux:8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 10/31/2020

CISA Known Exploited Vulnerability Due Dates: 11/17/2021, 5/25/2022

Reference Information

CVE: CVE-2020-13558, CVE-2020-24870, CVE-2020-27918, CVE-2020-29623, CVE-2020-36241, CVE-2021-1765, CVE-2021-1788, CVE-2021-1789, CVE-2021-1799, CVE-2021-1801, CVE-2021-1844, CVE-2021-1870, CVE-2021-1871, CVE-2021-21775, CVE-2021-21779, CVE-2021-21806, CVE-2021-28650, CVE-2021-30663, CVE-2021-30665, CVE-2021-30682, CVE-2021-30689, CVE-2021-30720, CVE-2021-30734, CVE-2021-30744, CVE-2021-30749, CVE-2021-30758, CVE-2021-30795, CVE-2021-30797, CVE-2021-30799

CWE: 119, 120, 190, 20, 200, 22, 416, 459, 79, 843, 863

RHSA: 2021:4381

Detections

Analytics