CVE-2022-22757 Security feature bypass in Firefox
Attackers could control the user's browser via local connections when WebDriver was enabled, bypassing security restrictions.
- 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-2022-22757?
CVE-2022-22757 is a medium-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
Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to the user's browser to control it. <br>*This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.*. This vulnerability affects Firefox < 97.
Which versions are affected by CVE-2022-22757?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2022-22757?
Upgrade to a fixed version.
Is CVE-2022-22757 being exploited?
There is no known exploitation of CVE-2022-22757 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-fc8f-jhcw-p24v, UBUNTU-CVE-2022-22757.