Scientific Linux Security Update : firefox on SL7.x x86_64 (20200316)

critical Nessus Plugin ID 134647
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.


The remote Scientific Linux host is missing one or more security updates.


This update upgrades Firefox to version 68.6.0 ESR.

Security Fix(es) :

- Mozilla: Use-after-free when removing data about origins (CVE-2020-6805)

- Mozilla: BodyStream::OnInputStreamReady was missing protections against state confusion (CVE-2020-6806)

- Mozilla: Use-after-free in cubeb during stream destruction (CVE-2020-6807)

- Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6 (CVE-2020-6814)

- Mozilla: Out of bounds reads in sctp_load_addresses_from_init (CVE-2019-20503)

- Mozilla: Devtools' 'Copy as cURL' feature did not fully escape website- controlled data, potentially leading to command injection (CVE-2020-6811)

- Mozilla: The names of AirPods with personally identifiable information were exposed to websites with camera or microphone permission (CVE-2020-6812)


Update the affected firefox and / or firefox-debuginfo packages.

See Also

Plugin Details

Severity: Critical

ID: 134647

File Name: sl_20200316_firefox_on_SL7_x.nasl

Version: 1.6

Type: local

Agent: unix

Published: 3/18/2020

Updated: 5/29/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-6814


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

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


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:firefox, p-cpe:/a:fermilab:scientific_linux:firefox-debuginfo, x-cpe:/o:fermilab:scientific_linux

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/16/2020

Vulnerability Publication Date: 3/6/2020

Reference Information

CVE: CVE-2019-20503, CVE-2020-6805, CVE-2020-6806, CVE-2020-6807, CVE-2020-6811, CVE-2020-6812, CVE-2020-6814