RHEL 7 : firefox (RHSA-2020:2037)

critical Nessus Plugin ID 136351

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:2037 advisory.

- usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)

- Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)

- Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392)

- Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395)

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 RHEL firefox package based on the guidance in RHSA-2020:2037.

See Also

http://www.nessus.org/u?6a475dda

https://access.redhat.com/security/updates/classification/#critical

https://access.redhat.com/errata/RHSA-2020:2037

https://bugzilla.redhat.com/show_bug.cgi?id=1831761

https://bugzilla.redhat.com/show_bug.cgi?id=1831763

https://bugzilla.redhat.com/show_bug.cgi?id=1831764

https://bugzilla.redhat.com/show_bug.cgi?id=1831765

Plugin Details

Severity: Critical

ID: 136351

File Name: redhat-RHSA-2020-2037.nasl

Version: 1.12

Type: local

Agent: unix

Published: 5/6/2020

Updated: 4/28/2024

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: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2020-12395

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-2020-6831

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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/6/2020

Vulnerability Publication Date: 5/5/2020

Reference Information

CVE: CVE-2020-12387, CVE-2020-12392, CVE-2020-12395, CVE-2020-6831

CWE: 120, 416, 552

IAVA: 2020-A-0190-S

RHSA: 2020:2037