RHEL 8 : firefox (RHSA-2020:5562)
high Nessus Plugin ID 144422
Language:
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.
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-2020:5562 advisory.- chromium-browser: Uninitialized Use in V8 (CVE-2020-16042)
- Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971)
- Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973)
- Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974)
- Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978)
- Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111)
- Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113)
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.See Also
https://cwe.mitre.org/data/definitions/20.html
https://cwe.mitre.org/data/definitions/120.html
https://cwe.mitre.org/data/definitions/200.html
https://cwe.mitre.org/data/definitions/416.html
https://access.redhat.com/security/cve/CVE-2020-16042
https://access.redhat.com/security/cve/CVE-2020-26971
https://access.redhat.com/security/cve/CVE-2020-26973
https://access.redhat.com/security/cve/CVE-2020-26974
https://access.redhat.com/security/cve/CVE-2020-26978
https://access.redhat.com/security/cve/CVE-2020-35111
https://access.redhat.com/security/cve/CVE-2020-35113
https://access.redhat.com/errata/RHSA-2020:5562
https://bugzilla.redhat.com/1904515
https://bugzilla.redhat.com/1908022
https://bugzilla.redhat.com/1908023
https://bugzilla.redhat.com/1908024
https://bugzilla.redhat.com/1908025
Plugin Details
Severity: High
ID: 144422
File Name: redhat-RHSA-2020-5562.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 12/18/2020
Updated: 10/12/2021
Dependencies: ssh_get_info.nasl, redhat_repos.nasl
Risk Information
CVSS Score Source: CVE-2020-16042
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 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:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, 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: 12/16/2020
Vulnerability Publication Date: 12/2/2020
Reference Information
CVE: CVE-2020-16042, CVE-2020-26971, CVE-2020-26973, CVE-2020-26974, CVE-2020-26978, CVE-2020-35111, CVE-2020-35113