CVE-2020-36429 Memory corruption in n/a
An out-of-bounds write in the JSON encoding function allows attackers to cause denial of service or execute arbitrary code via deep recursion.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36429?
CVE-2020-36429 is a medium-severity memory corruption vulnerability in n/a, published on 20 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.
Weakness: CWE-787
Which versions are affected by CVE-2020-36429?
It affects 1 product.
Products include Open62541 Open62541.
How do I fix CVE-2020-36429?
No fix has been published for CVE-2020-36429 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-2020-36429 being exploited?
There is no known exploitation of CVE-2020-36429 in the wild and no public exploit code.
Sources
Also known as GHSA-5gjr-fxv3-4mwv.