CVE-2022-34482 File upload in Firefox
Attackers can trick users into executing malicious code by manipulating filenames during image drag-and-drop operations in Firefox.
- 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-2022-34482?
CVE-2022-34482 is a high-severity vulnerability in Mozilla Firefox, 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
An attacker who could have convinced a user to drag and drop an image to a filesystem could have manipulated the resulting filename to contain an executable extension, and by extension potentially tricked the user into executing malicious code. While very similar, this is a separate issue from CVE-2022-34483. This vulnerability affects Firefox < 102.
Weakness: CWE-434
Which versions are affected by CVE-2022-34482?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2022-34482?
Upgrade to a fixed version.
Is CVE-2022-34482 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-34482 exists.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-7vcp-35cw-vjp4, UBUNTU-CVE-2022-34482.