CentOS 8 : thunderbird (CESA-2021:0298)

high Nessus Plugin ID 145791


The remote CentOS host is missing one or more security updates.


The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:0298 advisory.

- Mozilla: IMAP Response Injection when using STARTTLS (CVE-2020-15685)

- Mozilla: HTTPS pages could have been intercepted by a registered service worker when they should not have been (CVE-2020-26976)

- Mozilla: Cross-origin information leakage via redirected PDF requests (CVE-2021-23953)

- Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements (CVE-2021-23954)

- Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC (CVE-2021-23960)

- Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7 (CVE-2021-23964)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Update the affected thunderbird package.

See Also


Plugin Details

Severity: High

ID: 145791

File Name: centos8_RHSA-2021-0298.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/1/2021

Updated: 3/23/2021

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure

Risk Information


Risk Factor: Medium

Score: 6.7


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-2021-23960


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:centos:centos:8, p-cpe:/a:centos:centos:thunderbird

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 1/28/2021

Vulnerability Publication Date: 1/7/2021

Reference Information

CVE: CVE-2020-15685, CVE-2020-26976, CVE-2021-23953, CVE-2021-23954, CVE-2021-23960, CVE-2021-23964

RHSA: 2021:0298