CVE-2019-5062 Denial of service in W1.f1
An attacker can cause a denial of service against 802.11w clients in hostapd by simulating an incomplete new association, requiring 802.11w to be enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-5062?
CVE-2019-5062 is a high-severity denial of service vulnerability in W1.f1, published on 12 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.
Which versions are affected by CVE-2019-5062?
It affects 1 product.
Products include W1.fi Hostapd.
How do I fix CVE-2019-5062?
No fix has been published for CVE-2019-5062 yet. Limit exposure of the affected software until one is available.
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-2019-5062 being exploited?
There is no known exploitation of CVE-2019-5062 in the wild and no public exploit code.
Other vulnerabilities in W1.f1
Sources
Also known as DEBIAN-CVE-2019-5062, GHSA-gv78-7qxh-6mj5, UBUNTU-CVE-2019-5062.