RHEL 7 : firefox (RHSA-2020:1338)

high Nessus Plugin ID 135242

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:1338 advisory.

- Mozilla: Use-after-free while running the nsDocShell destructor (CVE-2020-6819)

- Mozilla: Use-after-free when handling a ReadableStream (CVE-2020-6820)

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 firefox package.

See Also

https://access.redhat.com/security/cve/CVE-2020-6819

https://access.redhat.com/security/cve/CVE-2020-6820

https://access.redhat.com/errata/RHSA-2020:1338

https://bugzilla.redhat.com/1820869

https://bugzilla.redhat.com/1820878

Plugin Details

Severity: High

ID: 135242

File Name: redhat-RHSA-2020-1338.nasl

Version: 1.16

Type: local

Agent: unix

Published: 4/7/2020

Updated: 5/25/2023

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-6820

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.5

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

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:firefox

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2020

Vulnerability Publication Date: 4/3/2020

CISA Known Exploited Vulnerability Due Dates: 5/3/2022

Reference Information

CVE: CVE-2020-6819, CVE-2020-6820

CWE: 416

IAVA: 2020-A-0128-S

RHSA: 2020:1338