CVE-2018-5179 Denial of service in Firefox
A service worker can run perpetually by self-activating, enabling persistent user activity monitoring and resource exhaustion in Firefox.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-5179?
CVE-2018-5179 is a high-severity denial of service vulnerability in Mozilla Firefox, published on 26 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A service worker can send the activate event on itself periodically which allows it to run perpetually, allowing it to monitor activity by users. Affects all versions prior to Firefox 60.
Weakness: CWE-772
Which versions are affected by CVE-2018-5179?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2018-5179?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-5179 being exploited?
There is no known exploitation of CVE-2018-5179 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-8j5m-6wvx-8fqm, UBUNTU-CVE-2018-5179.