CVE-2021-38439 GurumDDS Heap-based Buffer Overflow

High 8.6 Published Updated

A heap-based buffer overflow in GurumDDS allows remote attackers to execute arbitrary code or cause a denial of service.

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-2021-38439?

CVE-2021-38439 is a high-severity memory corruption vulnerability in GurumNetworks GurumDDS, published on 5 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

All versions of GurumDDS are vulnerable to heap-based buffer overflow, which may cause a denial-of-service condition or remotely execute arbitrary code.

Weakness: CWE-122

Which versions are affected by CVE-2021-38439?

It affects 1 product.

Products include Gurum Gurumdds.

How do I fix CVE-2021-38439?

No fix has been published for CVE-2021-38439 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-2021-38439 being exploited?

There is no known exploitation of CVE-2021-38439 in the wild and no public exploit code.

Sources

Also known as GHSA-g8fv-j97f-qw8r.

Is CVE-2021-38439 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free