Debian DSA-4778-1 : firefox-esr - security update

critical Nessus Plugin ID 141843
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 Debian host is missing a security-related update.

Description

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code.

Solution

Upgrade the firefox-esr packages.

For the stable distribution (buster), these problems have been fixed in version 78.4.0esr-1~deb10u2.

See Also

https://security-tracker.debian.org/tracker/source-package/firefox-esr

https://packages.debian.org/source/buster/firefox-esr

https://www.debian.org/security/2020/dsa-4778

Plugin Details

Severity: Critical

ID: 141843

File Name: debian_DSA-4778.nasl

Version: 1.7

Type: local

Agent: unix

Published: 10/23/2020

Updated: 11/13/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-15683

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:firefox-esr, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/21/2020

Vulnerability Publication Date: 10/22/2020

Reference Information

CVE: CVE-2020-15683, CVE-2020-15969

DSA: 4778

IAVA: 2020-A-0472-S