RHEL 8 : thunderbird (RHSA-2021:0993)

high Nessus Plugin ID 148116
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-2021:0993 advisory.

- Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read (CVE-2021-23981)

- Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2021-23982)

- Mozilla: Malicious extensions could have spoofed popup information (CVE-2021-23984)

- Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9 (CVE-2021-23987)

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 thunderbird package.

See Also

https://cwe.mitre.org/data/definitions/120.html

https://cwe.mitre.org/data/definitions/125.html

https://cwe.mitre.org/data/definitions/200.html

https://cwe.mitre.org/data/definitions/1021.html

https://access.redhat.com/security/cve/CVE-2021-23981

https://access.redhat.com/security/cve/CVE-2021-23982

https://access.redhat.com/security/cve/CVE-2021-23984

https://access.redhat.com/security/cve/CVE-2021-23987

https://access.redhat.com/errata/RHSA-2021:0993

https://bugzilla.redhat.com/1942783

https://bugzilla.redhat.com/1942785

https://bugzilla.redhat.com/1942786

https://bugzilla.redhat.com/1942787

Plugin Details

Severity: High

ID: 148116

File Name: redhat-RHSA-2021-0993.nasl

Version: 1.6

Type: local

Agent: unix

Published: 3/25/2021

Updated: 7/26/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2021-23987

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:thunderbird

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: 3/25/2021

Vulnerability Publication Date: 3/23/2021

Reference Information

CVE: CVE-2021-23981, CVE-2021-23982, CVE-2021-23984, CVE-2021-23987

RHSA: 2021:0993

IAVA: 2021-A-0144-S

CWE: 120, 125, 200, 1021