RHEL 7 : firefox (RHSA-2020:0085)

high Nessus Plugin ID 132884
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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-2020:0085 advisory.

- Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)

- Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)

- Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)

- Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)

- Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)

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/79.html

https://cwe.mitre.org/data/definitions/120.html

https://cwe.mitre.org/data/definitions/843.html

https://access.redhat.com/security/cve/CVE-2019-17016

https://access.redhat.com/security/cve/CVE-2019-17017

https://access.redhat.com/security/cve/CVE-2019-17022

https://access.redhat.com/security/cve/CVE-2019-17024

https://access.redhat.com/security/cve/CVE-2019-17026

https://access.redhat.com/errata/RHSA-2020:0085

https://bugzilla.redhat.com/1788723

https://bugzilla.redhat.com/1788724

https://bugzilla.redhat.com/1788726

https://bugzilla.redhat.com/1788727

https://bugzilla.redhat.com/1789214

Plugin Details

Severity: High

ID: 132884

File Name: redhat-RHSA-2020-0085.nasl

Version: 1.10

Type: local

Agent: unix

Published: 1/15/2020

Updated: 11/22/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2019-17026

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:rhel_aus:7.7, cpe:/o:redhat:rhel_e4s:7.6, cpe:/o:redhat:rhel_e4s:7.7, cpe:/o:redhat:rhel_eus:7.7, cpe:/o:redhat:rhel_tus:7.7, p-cpe:/a:redhat:enterprise_linux:firefox

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/13/2020

Vulnerability Publication Date: 1/7/2020

Reference Information

CVE: CVE-2019-17016, CVE-2019-17017, CVE-2019-17022, CVE-2019-17024, CVE-2019-17026

RHSA: 2020:0085

IAVA: 2020-A-0002-S

CWE: 79, 120, 843