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RHEL 8 : webkit2gtk3 (RHSA-2021:4097)
high Nessus Plugin ID 154842
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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
Plugin Details
Severity: High
ID: 154842
File Name: redhat-RHSA-2021-4097.nasl
Version: 1.14
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/2/2021
Updated: 11/7/2024
Supported Sensors: Agentless 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