CVE-2021-33889 Memory corruption in n/a
A stack-based buffer overflow in wpantund allows attackers to execute arbitrary code or cause a denial of service via inconsistent integer data types.
- 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-2021-33889?
CVE-2021-33889 is a medium-severity memory corruption vulnerability in n/a, published on 2 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OpenThread wpantund through 2021-07-02 has a stack-based Buffer Overflow because of an inconsistency in the integer data type for metric_len.
Weakness: CWE-787
Which versions are affected by CVE-2021-33889?
It affects 1 product.
Products include Openthread Wpantund.
How do I fix CVE-2021-33889?
No fix has been published for CVE-2021-33889 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-2021-33889 being exploited?
There is no known exploitation of CVE-2021-33889 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qwc4-6769-3rhp.