Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2022-3033

Published: 1 September 2022

If a Thunderbird user replied to a crafted HTML email containing a <code>meta</code> tag, with the <code>meta</code> tag having the <code>http-equiv="refresh"</code> attribute, and the content attribute specifying an URL, then Thunderbird started a network request to that URL, regardless of the configuration to block remote content. In combination with certain other HTML elements and attributes in the email, it was possible to execute JavaScript code included in the message in the context of the message compose document. The JavaScript code was able to perform actions including, but probably not limited to, read and modify the contents of the message compose document, including the quoted original message, which could potentially contain the decrypted plaintext of encrypted data in the crafted email. The contents could then be transmitted to the network, either to the URL specified in the META refresh tag, or to a different URL, as the JavaScript code could modify the URL specified in the document. This bug doesn't affect users who have changed the default Message Body display setting to 'simple html' or 'plain text'. This vulnerability affects Thunderbird < 102.2.1 and Thunderbird < 91.13.1.

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
thunderbird
Launchpad, Ubuntu, Debian
focal
Released (1:102.2.2+build1-0ubuntu0.20.04.1)
jammy
Released (1:102.2.2+build1-0ubuntu0.22.04.1)
lunar Not vulnerable
(1:102.3.3+build1-0ubuntu1)
trusty Ignored
(end of standard support)
upstream
Released (91.13.1)
kinetic Ignored
(end of life, was needs-triage)
bionic
Released (1:102.2.2+build1-0ubuntu0.18.04.1)
xenial Ignored
(end of standard support)

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N