CVE-2022-3032 Server-side request forgery in Thunderbird
Remote attackers can force Thunderbird to load external resources from nested iframe documents, bypassing network restrictions and potentially leaking information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-3032?
CVE-2022-3032 is a medium-severity server-side request forgery vulnerability in Mozilla Thunderbird, published on 22 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
When receiving an HTML email that contained an <code>iframe</code> element, which used a <code>srcdoc</code> attribute to define the inner HTML document, remote objects specified in the nested document, for example images or videos, were not blocked. Rather, the network was accessed, the objects were loaded and displayed. This vulnerability affects Thunderbird < 102.2.1 and Thunderbird < 91.13.1.
Weakness: CWE-610
Which versions are affected by CVE-2022-3032?
It affects 1 product.
Products include Mozilla Thunderbird.
How do I fix CVE-2022-3032?
Upgrade to a fixed version.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2022-3032 being exploited?
There is no known exploitation of CVE-2022-3032 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Thunderbird
Sources
Also known as DEBIAN-CVE-2022-3032, GHSA-2xmh-3jxc-r2w6, UBUNTU-CVE-2022-3032.