RHEL 8 : webkit2gtk3 (RHSA-2021:4097)

high Nessus Plugin ID 154842

Synopsis

The remote Red Hat host is missing a security update for webkit2gtk3.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4097 advisory.

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.

Security Fix(es):

* webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30858)

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.

Bug Fix(es):

* WebProcess::initializeWebProcess crashing on aarch64 (BZ#2010825)

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

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 RHEL webkit2gtk3 package based on the guidance in RHSA-2021:4097.

See Also

http://www.nessus.org/u?9825232a

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2021:4097

https://bugzilla.redhat.com/show_bug.cgi?id=2006099

https://bugzilla.redhat.com/show_bug.cgi?id=2010825

Plugin Details

Severity: High

ID: 154842

File Name: redhat-RHSA-2021-4097.nasl

Version: 1.14

Type: local

Agent: unix

Published: 11/2/2021

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: 7.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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

CVSS Score Source: CVE-2021-30858

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:webkit2gtk3, cpe:/o:redhat:rhel_eus:8.4, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc-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: 11/2/2021

Vulnerability Publication Date: 8/24/2021

CISA Known Exploited Vulnerability Due Dates: 11/17/2021

Reference Information

CVE: CVE-2021-30858

CWE: 416

RHSA: 2021:4097