RHEL 8 : firefox (RHSA-2021:0655)

medium Nessus Plugin ID 146809

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VPR Score: 6.7

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-2021:0655 advisory.

- Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23968, CVE-2021-23969)

- Mozilla: MediaError message property could have leaked information about cross-origin resources (CVE-2021-23973)

- Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 (CVE-2021-23978)

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.

Plugin Details

Severity: Medium

ID: 146809

File Name: redhat-RHSA-2021-0655.nasl

Version: 1.6

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 2/24/2021

Updated: 3/24/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 6.7

CVSS Score Source: CVE-2021-23978

CVSS v2.0

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 v3.0

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, 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: 2/24/2021

Vulnerability Publication Date: 2/23/2021

Reference Information

CVE: CVE-2021-23968, CVE-2021-23969, CVE-2021-23973, CVE-2021-23978

RHSA: 2021:0655

IAVA: 2021-A-0107

CWE: 120, 200, 209