SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2021:2598-1)

high Nessus Plugin ID 152202

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Synopsis

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

Description

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2598-1 advisory.

 - A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage. (CVE-2021-21775)

 - A use-after-free vulnerability exists in the way Webkits GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
 (CVE-2021-21779)

 - An integer overflow was addressed with improved input validation. (CVE-2021-30663)

 - A memory corruption issue was addressed with improved state management. (CVE-2021-30665)

 - A logic issue was addressed with improved state management. (CVE-2021-30689)

 - A logic issue was addressed with improved restrictions. (CVE-2021-30720)

 - Multiple memory corruption issues were addressed with improved memory handling. (CVE-2021-30734, CVE-2021-30749, CVE-2021-30799)

 - A cross-origin issue with iframe elements was addressed with improved tracking of security origins.
 (CVE-2021-30744)

 - A type confusion issue was addressed with improved state handling. (CVE-2021-30758)

 - A use after free issue was addressed with improved memory management. (CVE-2021-30795)

 - This issue was addressed with improved checks. (CVE-2021-30797)

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

http://www.nessus.org/u?7e605200

https://www.suse.com/security/cve/CVE-2021-21775

https://www.suse.com/security/cve/CVE-2021-21779

https://www.suse.com/security/cve/CVE-2021-30663

https://www.suse.com/security/cve/CVE-2021-30665

https://www.suse.com/security/cve/CVE-2021-30689

https://www.suse.com/security/cve/CVE-2021-30720

https://www.suse.com/security/cve/CVE-2021-30734

https://www.suse.com/security/cve/CVE-2021-30744

https://www.suse.com/security/cve/CVE-2021-30749

https://www.suse.com/security/cve/CVE-2021-30758

https://www.suse.com/security/cve/CVE-2021-30795

https://www.suse.com/security/cve/CVE-2021-30797

https://www.suse.com/security/cve/CVE-2021-30799

Plugin Details

Severity: High

ID: 152202

File Name: suse_SU-2021-2598-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 8/4/2021

Updated: 1/18/2022

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

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

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

CVSS Score Source: CVE-2021-30799

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libjavascriptcoregtk-4_0-18, p-cpe:/a:novell:suse_linux:libwebkit2gtk-4_0-37, p-cpe:/a:novell:suse_linux:libwebkit2gtk3-lang, p-cpe:/a:novell:suse_linux:typelib-1_0-JavaScriptCore-4_0, p-cpe:/a:novell:suse_linux:typelib-1_0-WebKit2-4_0, p-cpe:/a:novell:suse_linux:typelib-1_0-WebKit2WebExtension-4_0, p-cpe:/a:novell:suse_linux:webkit2gtk-4_0-injected-bundles, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/3/2021

Vulnerability Publication Date: 4/29/2021

CISA Known Exploited Dates: 11/17/2021

Reference Information

CVE: CVE-2021-21775, CVE-2021-21779, CVE-2021-30663, CVE-2021-30665, CVE-2021-30689, CVE-2021-30720, CVE-2021-30734, CVE-2021-30744, CVE-2021-30749, CVE-2021-30758, CVE-2021-30795, CVE-2021-30797, CVE-2021-30799

SuSE: SUSE-SU-2021:2598-1