CVE-2021-42145 Denial of service in n/a
Attackers can cause a denial of service in Contiki-NG tinyDTLS via an assertion failure in certificate request handling.
- 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-2021-42145?
CVE-2021-42145 is a high-severity denial of service vulnerability in n/a, published on 24 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An assertion failure discovered in in check_certificate_request() in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers to cause a denial of service.
Weakness: CWE-755
Which versions are affected by CVE-2021-42145?
It affects 1 product.
Products include Contiki-Ng Tinydtls.
How do I fix CVE-2021-42145?
No fix has been published for CVE-2021-42145 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-2021-42145 being exploited?
There is no known exploitation of CVE-2021-42145 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vwwf-cxx3-3hpv.