RHEL 8 : firefox (RHSA-2021:0989)

critical Nessus Plugin ID 148118

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-2021:0989 advisory.

- Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read (CVE-2021-23981)

- Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2021-23982)

- Mozilla: Malicious extensions could have spoofed popup information (CVE-2021-23984)

- Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9 (CVE-2021-23987)

- Mozilla: Angle graphics library out of date (CVE-2021-4127)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected firefox package.

See Also

https://access.redhat.com/security/cve/CVE-2021-4127

https://access.redhat.com/security/cve/CVE-2021-23981

https://access.redhat.com/security/cve/CVE-2021-23982

https://access.redhat.com/security/cve/CVE-2021-23984

https://access.redhat.com/security/cve/CVE-2021-23987

https://access.redhat.com/errata/RHSA-2021:0989

https://bugzilla.redhat.com/1942783

https://bugzilla.redhat.com/1942784

https://bugzilla.redhat.com/1942785

https://bugzilla.redhat.com/1942786

https://bugzilla.redhat.com/1942787

Plugin Details

Severity: Critical

ID: 148118

File Name: redhat-RHSA-2021-0989.nasl

Version: 1.13

Type: local

Agent: unix

Published: 3/25/2021

Updated: 1/8/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-23987

CVSS v3

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

CVSS Score Source: CVE-2021-4127

Vulnerability Information

CPE: cpe:/o:redhat:rhel_aus:8.2, cpe:/o:redhat:rhel_e4s:8.2, cpe:/o:redhat:rhel_eus:8.2, cpe:/o:redhat:rhel_tus:8.2, 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: 3/25/2021

Vulnerability Publication Date: 3/23/2021

Reference Information

CVE: CVE-2021-23981, CVE-2021-23982, CVE-2021-23984, CVE-2021-23987, CVE-2021-4127

CWE: 1021, 119, 120, 125, 200

IAVA: 2021-A-0144-S

RHSA: 2021:0989