SUSE update for webkit2gtk3

Published: 2021-10-12

Risk	Critical
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-21806 CVE-2021-30858
CWE-ID	CWE-416
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available. Vulnerability #2 is being exploited in the wild.
Vulnerable software Subscribe	SUSE Linux Enterprise Module for Desktop Applications Operating systems & Components / Operating system SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system libwebkit2gtk3-lang Operating systems & Components / Operating system package or component webkit2gtk-4_0-injected-bundles-debuginfo Operating systems & Components / Operating system package or component webkit2gtk-4_0-injected-bundles Operating systems & Components / Operating system package or component libwebkit2gtk-4_0-37-debuginfo Operating systems & Components / Operating system package or component libwebkit2gtk-4_0-37 Operating systems & Components / Operating system package or component libjavascriptcoregtk-4_0-18-debuginfo Operating systems & Components / Operating system package or component libjavascriptcoregtk-4_0-18 Operating systems & Components / Operating system package or component webkit2gtk3-devel Operating systems & Components / Operating system package or component webkit2gtk3-debugsource Operating systems & Components / Operating system package or component typelib-1_0-WebKit2WebExtension-4_0 Operating systems & Components / Operating system package or component typelib-1_0-WebKit2-4_0 Operating systems & Components / Operating system package or component typelib-1_0-JavaScriptCore-4_0 Operating systems & Components / Operating system package or component
Vendor	SuSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU53781

Risk: High

CVSSv3.1:

CVE-ID: CVE-2021-21806

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Update the affected package webkit2gtk3 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Desktop Applications: 15-SP2 - 15-SP3

SUSE Linux Enterprise Module for Basesystem: 15-SP2 - 15-SP3

libwebkit2gtk3-lang: before 2.32.4-12.3

webkit2gtk-4_0-injected-bundles-debuginfo: before 2.32.4-12.3

webkit2gtk-4_0-injected-bundles: before 2.32.4-12.3

libwebkit2gtk-4_0-37-debuginfo: before 2.32.4-12.3

libwebkit2gtk-4_0-37: before 2.32.4-12.3

libjavascriptcoregtk-4_0-18-debuginfo: before 2.32.4-12.3

libjavascriptcoregtk-4_0-18: before 2.32.4-12.3

webkit2gtk3-devel: before 2.32.4-12.3

webkit2gtk3-debugsource: before 2.32.4-12.3

typelib-1_0-WebKit2WebExtension-4_0: before 2.32.4-12.3

typelib-1_0-WebKit2-4_0: before 2.32.4-12.3

typelib-1_0-JavaScriptCore-4_0: before 2.32.4-12.3

CPE2.3

cpe:2.3:o:suse:suse_linux_enterprise_module_for_desktop_applications:15-SP3:*:*:*:*:*:*:*

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20213353-1/

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Use-after-free

EUVDB-ID: #VU56475

Risk: Critical