CVE-2021-44081 Memory corruption in n/a
A buffer overflow in open5gs AMF allows attackers to cause denial of service by sending Supi values with MSINs exceeding 24 characters.
- 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-2021-44081?
CVE-2021-44081 is a high-severity memory corruption vulnerability in Open5gs Open5gs, published on 29 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A buffer overflow vulnerability exists in the AMF of open5gs 2.1.4. When the length of MSIN in Supi exceeds 24 characters, it leads to AMF denial of service.
Weakness: CWE-787
Which versions are affected by CVE-2021-44081?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2021-44081?
No fix has been published for CVE-2021-44081 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-2021-44081 being exploited?
There is no known exploitation of CVE-2021-44081 in the wild and no public exploit code.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-j2w7-jvqq-8rgp.