CVE-2021-38423 GurumDDS Heap-based Incorrect Calculation of Buffer Size
Improper buffer size calculation in GurumDDS allows attackers to trigger a buffer overflow, potentially leading to code execution or denial of service.
- 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-2021-38423?
CVE-2021-38423 is a medium-severity memory corruption vulnerability in GurumNetworks GurumDDS, published on 5 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
All versions of GurumDDS improperly calculate the size to be used when allocating the buffer, which may result in a buffer overflow.
Weakness: CWE-131
Which versions are affected by CVE-2021-38423?
It affects 1 product.
Products include Gurum Gurumdds.
How do I fix CVE-2021-38423?
No fix has been published for CVE-2021-38423 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-2021-38423 being exploited?
There is no known exploitation of CVE-2021-38423 in the wild and no public exploit code.
Other vulnerabilities in GurumNetworks GurumDDS
Sources
Also known as GHSA-j9pc-mr89-w3h7.