Vulnerability · Published Dec 22, 2022 · Assigned by mozilla
CVE-2022-3033
High 8.1
In plain English
A high-severity cross-site scripting in Thunderbird from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | thunderbird | 102.3.0-3.el8_6.alma | ALSA-2022:6708 |
| AlmaLinux:9 | thunderbird | 102.3.0-3.el9_0.alma | ALSA-2022:6717 |
| Debian:12 | thunderbird | 1:102.2.1-1 | DEBIAN-CVE-2022-3033 |
| Debian:13 | thunderbird | 1:102.2.1-1 | DEBIAN-CVE-2022-3033 |
| Debian:14 | thunderbird | 1:102.2.1-1 | DEBIAN-CVE-2022-3033 |
| Rocky Linux:8 | thunderbird | 0:102.3.0-3.el8_6 | RLSA-2022:6708 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.2.2+build1-0ubuntu0.22.04.1 | USN-5663-1 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.2.2+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2022-3033 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | unspecified – before 102.2.1unspecified – before 91.13.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N