CVE-2020-12424 Security feature bypass in Firefox
An attacker can bypass WebRTC permission prompts by supplying an untrusted URI, allowing unauthorized access to camera or microphone features.
- 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-2020-12424?
CVE-2020-12424 is a medium-severity vulnerability in Mozilla Firefox, published on 9 Jul 2020. 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 constructing a permission prompt for WebRTC, a URI was supplied from the content process. This URI was untrusted, and could have been the URI of an origin that was previously granted permission; bypassing the prompt. This vulnerability affects Firefox < 78.
Weakness: CWE-276
Which versions are affected by CVE-2020-12424?
It affects 2 products.
Products include Mozilla Firefox, Opensuse Leap.
How do I fix CVE-2020-12424?
Upgrade to a fixed version.
Is CVE-2020-12424 being exploited?
There is no known exploitation of CVE-2020-12424 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-2cqw-c249-qrpc, UBUNTU-CVE-2020-12424.