CVE-2021-46901 Memory corruption in n/a
A stack-based buffer overflow in the CETIC-6LBR web server allows remote attackers to execute arbitrary code or cause a denial of service via a long URL request.
- 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-2021-46901?
CVE-2021-46901 is a high-severity memory corruption vulnerability in n/a, published on 31 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
examples/6lbr/apps/6lbr-webserver/httpd.c in CETIC-6LBR (aka 6lbr) 1.5.0 has a strcat stack-based buffer overflow via a request for a long URL over a 6LoWPAN network.
Weakness: CWE-787
Which versions are affected by CVE-2021-46901?
It affects 1 product.
Products include Cetic Cetic-6lbr.
How do I fix CVE-2021-46901?
No fix has been published for CVE-2021-46901 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-46901 being exploited?
There is no known exploitation of CVE-2021-46901 in the wild and no public exploit code.
Sources
Also known as GHSA-hh37-43rq-667r.