RHEL 7 : firefox (RHSA-2021:0656)
high Nessus Plugin ID 146813
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:0656 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 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-2021-23968
https://access.redhat.com/security/cve/CVE-2021-23969
https://access.redhat.com/security/cve/CVE-2021-23973
https://access.redhat.com/security/cve/CVE-2021-23978
https://access.redhat.com/errata/RHSA-2021:0656
https://bugzilla.redhat.com/1932109
https://bugzilla.redhat.com/1932110
Plugin Details
Severity: High
ID: 146813
File Name: redhat-RHSA-2021-0656.nasl
Version: 1.13
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 2/24/2021
Updated: 1/23/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Medium
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 Score Source: CVE-2021-23978
CVSS v3
Risk Factor: High
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:7, 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