CVE-2020-12717 Denial of service in n/a
Remote attackers can crash contact tracing apps via malformed Bluetooth advertisements, disrupting public health monitoring efforts.
- 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-2020-12717?
CVE-2020-12717 is a medium-severity denial of service vulnerability in n/a, published on 14 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The COVIDSafe (Australia) app 1.0 and 1.1 for iOS allows a remote attacker to crash the app, and consequently interfere with COVID-19 contact tracing, via a Bluetooth advertisement containing manufacturer data that is too short. This occurs because of an erroneous OpenTrace manuData.subdata call. The ABTraceTogether (Alberta), ProteGO (Poland), and TraceTogether (Singapore) apps were also affected.
Which versions are affected by CVE-2020-12717?
It affects 4 products.
Products include Alberta Abtracetogether, Gov Protego Safe, Health Covidsafe, Tracetogether Tracetogether.
How do I fix CVE-2020-12717?
No fix has been published for CVE-2020-12717 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-2020-12717 being exploited?
There is no known exploitation of CVE-2020-12717 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.