CVE-2019-9750 Denial of service in n/a
Attackers can launch Distributed Denial of Service attacks against IoTivity CoAP servers via UDP amplification using spoofed IP addresses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-9750?
CVE-2019-9750 is a critical denial of service vulnerability in n/a, published on 13 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In IoTivity through 1.3.1, the CoAP server interface can be used for Distributed Denial of Service attacks using source IP address spoofing and UDP-based traffic amplification. The reflected traffic is 6 times bigger than spoofed requests. This occurs because the construction of a "4.01 Unauthorized" response is mishandled. NOTE: the vendor states "While this is an interesting attack, there is no plan for maintainer to fix, as we are migrating to IoTivity Lite."
Weakness: CWE-400
Which versions are affected by CVE-2019-9750?
It affects 1 product.
Products include Iotivity Iotivity.
How do I fix CVE-2019-9750?
No fix has been published for CVE-2019-9750 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-2019-9750 being exploited?
There is no known exploitation of CVE-2019-9750 in the wild and no public exploit code.
Sources
Also known as GHSA-8vwf-phwx-jwqp.