SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:0259-1)

high Nessus Plugin ID 146051

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Synopsis

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

Description

This update for MozillaFirefox fixes the following issues :

Firefox Extended Support Release 78.7.0 ESR (MFSA 2021-04, bsc#1181414)

- CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests

- CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements

- CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been

- CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC

- CVE-2021-23964: Fixed Memory safety bugs

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-SP3 :

zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP3-2021-259=1

SUSE Linux Enterprise Module for Desktop Applications 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP2-2021-259=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1181414

https://www.suse.com/security/cve/CVE-2020-26976/

https://www.suse.com/security/cve/CVE-2021-23953/

https://www.suse.com/security/cve/CVE-2021-23954/

https://www.suse.com/security/cve/CVE-2021-23960/

https://www.suse.com/security/cve/CVE-2021-23964/

http://www.nessus.org/u?a0606472

Plugin Details

Severity: High

ID: 146051

File Name: suse_SU-2021-0259-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/2/2021

Updated: 3/8/2021

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless 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-2021-23964

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, p-cpe:/a:novell:suse_linux:mozillafirefox-debuginfo, p-cpe:/a:novell:suse_linux:mozillafirefox-debugsource, 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, 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: 2/1/2021

Vulnerability Publication Date: 1/7/2021

Reference Information

CVE: CVE-2020-26976, CVE-2021-23953, CVE-2021-23954, CVE-2021-23960, CVE-2021-23964