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SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3311-1)

high Nessus Plugin ID 143843

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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 78.4.1 ESR

 - Fixed: Security fix MFSA 2020-49 (bsc#1178588)

 - CVE-2020-26950 (bmo#1675905) Write side effects in MCallGetProperty opcode not accounted for

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-SP1 :

zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP1-2020-3311=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1178588

https://www.suse.com/security/cve/CVE-2020-26950/

http://www.nessus.org/u?77ab950f

Plugin Details

Severity: High

ID: 143843

File Name: suse_SU-2020-3311-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 12/9/2020

Updated: 3/1/2022

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.7

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

CVSS Score Source: CVE-2020-26950

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:mozillafirefox-devel, p-cpe:/a:novell:suse_linux:mozillafirefox-debugsource, 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-debuginfo, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:mozillafirefox

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: 11/12/2020

Vulnerability Publication Date: 12/9/2020

Exploitable With

Metasploit (Firefox MCallGetProperty Write Side Effects Use After Free Exploit)

Reference Information

CVE: CVE-2020-26950