SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2018:2752-1)

critical Nessus Plugin ID 120100
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

This update for webkit2gtk3 to version 2.20.5 fixes the following issues :

Security issue fixed :

CVE-2018-12911: Fix off-by-one in xdg_mime_get_simple_globs (bsc#1101999).

CVE-2018-4261, CVE-2018-4262, CVE-2018-4263, CVE-2018-4264, CVE-2018-4265, CVE-2018-4267, CVE-2018-4272, CVE-2018-4284: Processing maliciously crafted web content may lead to arbitrary code execution.
A memory corruption issue was addressed with improved memory handling.

CVE-2018-4266: A malicious website may be able to cause a denial of service. A race condition was addressed with additional validation.

CVE-2018-4270, CVE-2018-4271, CVE-2018-4273: Processing maliciously crafted web content may lead to an unexpected application crash. A memory corruption issue was addressed with improved input validation.

CVE-2018-4278: A malicious website may exfiltrate audio data cross-origin. Sound fetched through audio elements may be exfiltrated cross-origin. This issue was addressed with improved audio taint tracking.

Other bugs fixed: Fix rendering artifacts in some websites due to a bug introduced in 2.20.4.

Fix a crash when leaving accelerated compositing mode.

Fix non-deterministic build failure due to missing JavaScriptCore/JSContextRef.h.

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 Module for Desktop Applications 15:zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2018-1921=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-1921=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1101999

https://bugzilla.suse.com/show_bug.cgi?id=1104169

https://www.suse.com/security/cve/CVE-2018-12911/

https://www.suse.com/security/cve/CVE-2018-4261/

https://www.suse.com/security/cve/CVE-2018-4262/

https://www.suse.com/security/cve/CVE-2018-4263/

https://www.suse.com/security/cve/CVE-2018-4264/

https://www.suse.com/security/cve/CVE-2018-4265/

https://www.suse.com/security/cve/CVE-2018-4266/

https://www.suse.com/security/cve/CVE-2018-4267/

https://www.suse.com/security/cve/CVE-2018-4270/

https://www.suse.com/security/cve/CVE-2018-4271/

https://www.suse.com/security/cve/CVE-2018-4272/

https://www.suse.com/security/cve/CVE-2018-4273/

https://www.suse.com/security/cve/CVE-2018-4278/

https://www.suse.com/security/cve/CVE-2018-4284/

http://www.nessus.org/u?a72486d2

Plugin Details

Severity: Critical

ID: 120100

File Name: suse_SU-2018-2752-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 1/2/2019

Updated: 1/13/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libjavascriptcoregtk-4_0, p-cpe:/a:novell:suse_linux:libjavascriptcoregtk-4_0-18-debuginfo, 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:typelib-1_0-JavaScriptCore, 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:webkit2gtk-4_0-injected-bundles, 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:webkit2gtk3-devel, cpe:/o:novell:suse_linux:15

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: 9/19/2018

Vulnerability Publication Date: 7/19/2018

Reference Information

CVE: CVE-2018-12911, CVE-2018-4261, CVE-2018-4262, CVE-2018-4263, CVE-2018-4264, CVE-2018-4265, CVE-2018-4266, CVE-2018-4267, CVE-2018-4270, CVE-2018-4271, CVE-2018-4272, CVE-2018-4273, CVE-2018-4278, CVE-2018-4284