CVE-2022-28283 Path traversal in Firefox
A webpage could access local files via the devtools sourceMapURL feature due to missing security checks, allowing unauthorized data disclosure.
- 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-2022-28283?
CVE-2022-28283 is a medium-severity path traversal 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
The sourceMapURL feature in devtools was missing security checks that would have allowed a webpage to attempt to include local files or other files that should have been inaccessible. This vulnerability affects Firefox < 99.
Weakness: CWE-552
Which versions are affected by CVE-2022-28283?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2022-28283?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2022-28283 being exploited?
There is no known exploitation of CVE-2022-28283 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-vcmf-vf48-7jqp, UBUNTU-CVE-2022-28283.