RHEL 7 : firefox (RHSA-2020:0520)

Medium Nessus Plugin ID 133752

New! Vulnerability Priority Rating (VPR)

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VPR Score: 5.9


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


An update for firefox is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 68.5.0 ESR.

Security Fix(es) :

* Mozilla: Missing bounds check on shared memory read in the parent process (CVE-2020-6796)

* Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5 (CVE-2020-6800)

* Mozilla: Incorrect parsing of template tag could result in JavaScript injection (CVE-2020-6798)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


Update the affected firefox package.

See Also











Plugin Details

Severity: Medium

ID: 133752

File Name: redhat-RHSA-2020-0520.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2020/02/18

Updated: 2020/11/18

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 5.9

CVSS Score Source: CVE-2020-6800

CVSS v2.0

Base Score: 6.8

Temporal Score: 5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7::client, cpe:/o:redhat:enterprise_linux:7::server, cpe:/o:redhat:enterprise_linux:7::workstation, cpe:/o:redhat:rhel_aus:7.7, cpe:/o:redhat:rhel_aus:7.7::client, cpe:/o:redhat:rhel_aus:7.7::server, cpe:/o:redhat:rhel_aus:7.7::workstation, cpe:/o:redhat:rhel_e4s:7.7, cpe:/o:redhat:rhel_e4s:7.7::client, cpe:/o:redhat:rhel_e4s:7.7::server, cpe:/o:redhat:rhel_e4s:7.7::workstation, cpe:/o:redhat:rhel_eus:7.7, cpe:/o:redhat:rhel_eus:7.7::client, cpe:/o:redhat:rhel_eus:7.7::server, cpe:/o:redhat:rhel_eus:7.7::workstation, cpe:/o:redhat:rhel_tus:7.7, cpe:/o:redhat:rhel_tus:7.7::client, cpe:/o:redhat:rhel_tus:7.7::server, cpe:/o:redhat:rhel_tus:7.7::workstation, 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: 2020/02/18

Vulnerability Publication Date: 2020/02/11

Reference Information

CVE: CVE-2020-6796, CVE-2020-6798, CVE-2020-6800

RHSA: 2020:0520

CWE: 79, 120, 787