openSUSE 15 Security Update : webkit2gtk3 (openSUSE-SU-2021:1369-1)

high Nessus Plugin ID 154228
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1369-1 advisory.

- An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability. (CVE-2021-21806)

- A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. (CVE-2021-30858)

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 affected packages.

See Also

https://bugzilla.suse.com/1188697

https://bugzilla.suse.com/1190701

http://www.nessus.org/u?6ad49bbb

https://www.suse.com/security/cve/CVE-2021-21806

https://www.suse.com/security/cve/CVE-2021-30858

Plugin Details

Severity: High

ID: 154228

File Name: openSUSE-2021-1369.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/19/2021

Updated: 11/30/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-30858

VPR

Risk Factor: Critical

Score: 9.5

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:libjavascriptcoregtk-4_0-18, p-cpe:/a:novell:opensuse:libjavascriptcoregtk-4_0-18-32bit, p-cpe:/a:novell:opensuse:libwebkit2gtk-4_0-37, p-cpe:/a:novell:opensuse:libwebkit2gtk-4_0-37-32bit, p-cpe:/a:novell:opensuse:libwebkit2gtk3-lang, p-cpe:/a:novell:opensuse:typelib-1_0-JavaScriptCore-4_0, p-cpe:/a:novell:opensuse:typelib-1_0-WebKit2-4_0, p-cpe:/a:novell:opensuse:typelib-1_0-WebKit2WebExtension-4_0, p-cpe:/a:novell:opensuse:webkit-jsc-4, p-cpe:/a:novell:opensuse:webkit2gtk-4_0-injected-bundles, p-cpe:/a:novell:opensuse:webkit2gtk3-devel, p-cpe:/a:novell:opensuse:webkit2gtk3-minibrowser, cpe:/o:novell:opensuse:15.2

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: 10/18/2021

Vulnerability Publication Date: 7/8/2021

Reference Information

CVE: CVE-2021-21806, CVE-2021-30858

IAVA: 2021-A-0414-S, 2021-A-0437