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SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2020:1109-1)

critical Nessus Plugin ID 136013

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for webkit2gtk3 to version 2.28.1 fixes the following issues :

Security issues fixed :

CVE-2020-10018: Fixed a denial of service because the m_deferredFocusedNodeChange data structure was mishandled (bsc#1165528).

CVE-2020-11793: Fixed a potential arbitrary code execution caused by a use-after-free vulnerability (bsc#1169658).

Non-security issues fixed: Add API to enable Process Swap on (Cross-site) Navigation.

Add user messages API for the communication with the web extension.

Add support for same-site cookies.

Service workers are enabled by default.

Add support for Pointer Lock API.

Add flatpak sandbox support.

Make ondemand hardware acceleration policy never leave accelerated compositing mode.

Always use a light theme for rendering form controls.

Add about:gpu to show information about the graphics stack.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server for SAP 15:zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1109=1

SUSE Linux Enterprise Server 15-LTSS:zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1109=1

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-1109=1

SUSE Linux Enterprise Module for Desktop Applications 15-SP1:zypper in
-t patch SUSE-SLE-Module-Desktop-Applications-15-SP1-2020-1109=1

SUSE Linux Enterprise Module for Basesystem 15-SP1:zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-1109=1

SUSE Linux Enterprise High Performance Computing 15-LTSS:zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1109=1

SUSE Linux Enterprise High Performance Computing 15-ESPOS:zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1109=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1165528

https://bugzilla.suse.com/show_bug.cgi?id=1169658

https://www.suse.com/security/cve/CVE-2020-10018/

https://www.suse.com/security/cve/CVE-2020-11793/

http://www.nessus.org/u?36cdcafe

Plugin Details

Severity: Critical

ID: 136013

File Name: suse_SU-2020-1109-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 4/27/2020

Updated: 4/26/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-10018

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libwebkit2gtk-4_0-37, p-cpe:/a:novell:suse_linux:libjavascriptcoregtk-4_0-18-32bit-debuginfo, p-cpe:/a:novell:suse_linux:typelib-1_0-javascriptcore, p-cpe:/a:novell:suse_linux:libjavascriptcoregtk-4_0-18-debuginfo, p-cpe:/a:novell:suse_linux:webkit2gtk-4_0-injected-bundles, p-cpe:/a:novell:suse_linux:libjavascriptcoregtk-4_0-18, p-cpe:/a:novell:suse_linux:webkit2gtk-4_0-injected-bundles-debuginfo, p-cpe:/a:novell:suse_linux:webkit2gtk3-debugsource, p-cpe:/a:novell:suse_linux:webkit-jsc, p-cpe:/a:novell:suse_linux:typelib-1_0-webkit2, p-cpe:/a:novell:suse_linux:typelib-1_0-webkit2webextension, p-cpe:/a:novell:suse_linux:libwebkit2gtk-4_0-37-32bit-debuginfo, p-cpe:/a:novell:suse_linux:webkit2gtk3-minibrowser-debuginfo, p-cpe:/a:novell:suse_linux:webkit2gtk3-devel, p-cpe:/a:novell:suse_linux:webkit-jsc-4-debuginfo, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libjavascriptcoregtk-4_0, p-cpe:/a:novell:suse_linux:libwebkit2gtk-4_0, p-cpe:/a:novell:suse_linux:libwebkit2gtk-4_0-37-debuginfo, p-cpe:/a:novell:suse_linux:webkit2gtk3-minibrowser

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/24/2020

Vulnerability Publication Date: 3/2/2020

Reference Information

CVE: CVE-2020-10018, CVE-2020-11793