RHEL 8 : firefox (RHSA-2020:1340)

high Nessus Plugin ID 135241

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:1340 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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected firefox package.

See Also

https://cwe.mitre.org/data/definitions/416.html

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

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

https://access.redhat.com/errata/RHSA-2020:1340

https://bugzilla.redhat.com/1820869

https://bugzilla.redhat.com/1820878

Plugin Details

Severity: High

ID: 135241

File Name: redhat-RHSA-2020-1340.nasl

Version: 1.12

Type: local

Agent: unix

Published: 4/7/2020

Updated: 1/18/2022

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

Risk Information

CVSS Score Source: CVE-2020-6820

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.0, 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 Dates: 5/3/2022

Reference Information

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

RHSA: 2020:1340

IAVA: 2020-A-0128-S

CWE: 416