RHEL 8 : firefox (RHSA-2021:1362)

high Nessus Plugin ID 148988

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-2021:1362 advisory.

- Mozilla: More internal network hosts could have been probed by a malicious webpage (CVE-2021-23961)

- Mozilla: Out of bound write due to lazy initialization (CVE-2021-23994)

- Mozilla: Use-after-free in Responsive Design Mode (CVE-2021-23995)

- Mozilla: Secure Lock icon could have been spoofed (CVE-2021-23998)

- Mozilla: Blob URLs may have been granted additional privileges (CVE-2021-23999)

- Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL (CVE-2021-24002)

- Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads (CVE-2021-29945)

- Mozilla: Port blocking could be bypassed (CVE-2021-29946)

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-2021-23961

https://access.redhat.com/security/cve/CVE-2021-23994

https://access.redhat.com/security/cve/CVE-2021-23995

https://access.redhat.com/security/cve/CVE-2021-23998

https://access.redhat.com/security/cve/CVE-2021-23999

https://access.redhat.com/security/cve/CVE-2021-24002

https://access.redhat.com/security/cve/CVE-2021-29945

https://access.redhat.com/security/cve/CVE-2021-29946

https://access.redhat.com/errata/RHSA-2021:1362

https://bugzilla.redhat.com/1951369

https://bugzilla.redhat.com/1951364

https://bugzilla.redhat.com/1951365

https://bugzilla.redhat.com/1951366

https://bugzilla.redhat.com/1951367

https://bugzilla.redhat.com/1951368

https://bugzilla.redhat.com/1951370

https://bugzilla.redhat.com/1951371

Plugin Details

Severity: High

ID: 148988

File Name: redhat-RHSA-2021-1362.nasl

Version: 1.11

Type: local

Agent: unix

Published: 4/26/2021

Updated: 1/3/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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-2021-29946

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_eus:8.1, 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: 4/26/2021

Vulnerability Publication Date: 1/26/2021

Reference Information

CVE: CVE-2021-23961, CVE-2021-23994, CVE-2021-23995, CVE-2021-23998, CVE-2021-23999, CVE-2021-24002, CVE-2021-29945, CVE-2021-29946

CWE: 190, 200, 281, 416, 476, 787, 88

IAVA: 2021-A-0051-S, 2021-A-0185-S

RHSA: 2021:1362