CVE-2020-22284 Memory corruption in n/a
Attackers can access sensitive information via crafted 6LoWPAN packets due to a buffer overflow in the lwIP network stack.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-22284?
CVE-2020-22284 is a high-severity memory corruption vulnerability in n/a, published on 22 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet.
Weakness: CWE-120
Which versions are affected by CVE-2020-22284?
It affects 1 product.
Products include Lwip Project Lwip.
How do I fix CVE-2020-22284?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-22284 being exploited?
There is no known exploitation of CVE-2020-22284 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2020-22284, GHSA-4f64-6qh9-pmfj, UBUNTU-CVE-2020-22284.