SUSE SLED15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2021:3993-1)

high Nessus Plugin ID 156008

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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-2021:3993-1 advisory.

Update to Extended Support Release 91.4.0 (bsc#1193485):

- CVE-2021-43536: URL leakage when navigating while executing asynchronous function
- CVE-2021-43537: Heap buffer overflow when using structured clone
- CVE-2021-43538: Missing fullscreen and pointer lock notification when requesting both
- CVE-2021-43539: GC rooting failure when calling wasm instance methods
- CVE-2021-43541: External protocol handler parameters were unescaped
- CVE-2021-43542: XMLHttpRequest error codes could have leaked the existence of an external protocol handler
- CVE-2021-43543: Bypass of CSP sandbox directive when embedding
- CVE-2021-43545: Denial of Service when using the Location API in a loop
- CVE-2021-43546: Cursor spoofing could overlay user interface when native cursor is zoomed
- Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4
- Removed x-scheme-handler/ftp from MozillaFirefox.desktop (bsc#1193321)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected MozillaFirefox, MozillaFirefox-devel, MozillaFirefox-translations-common and / or MozillaFirefox- translations-other packages.

Plugin Details

Severity: High

ID: 156008

File Name: suse_SU-2021-3993-1.nasl

Version: 1.6

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 12/11/2021

Updated: 6/25/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2021-43539

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: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:mozillafirefox-devel, p-cpe:/a:novell:suse_linux:mozillafirefox-translations-common, p-cpe:/a:novell:suse_linux:mozillafirefox-translations-other, p-cpe:/a:novell:suse_linux:mozillafirefox, 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: 12/10/2021

Vulnerability Publication Date: 12/7/2021

Reference Information

CVE: CVE-2021-43536, CVE-2021-43537, CVE-2021-43538, CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543, CVE-2021-43545, CVE-2021-43546

IAVA: 2021-A-0569-S

SuSE: SUSE-SU-2021:3993-1

Detections

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