Debian DSA-4790-1 : thunderbird - security update

high Nessus Plugin ID 142951

Synopsis

The remote Debian host is missing a security-related update.

Description

A use-after-free was found in Thunderbird, which could potentially result in the execution of arbitrary code.

Solution

Upgrade the thunderbird packages.

For the stable distribution (buster), this problem has been fixed in version 1:78.4.2-1~deb10u1.

See Also

https://security-tracker.debian.org/tracker/source-package/thunderbird

https://packages.debian.org/source/buster/thunderbird

https://www.debian.org/security/2020/dsa-4790

Plugin Details

Severity: High

ID: 142951

File Name: debian_DSA-4790.nasl

Version: 1.4

Type: local

Agent: unix

Published: 11/17/2020

Updated: 3/2/2022

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.7

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:F/RL:OF/RC:C

CVSS Score Source: CVE-2020-26950

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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

Temporal Vector: E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:thunderbird, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/12/2020

Vulnerability Publication Date: 12/9/2020

Exploitable With

Metasploit (Firefox MCallGetProperty Write Side Effects Use After Free Exploit)

Reference Information

CVE: CVE-2020-26950

DSA: 4790