CVE-2021-29999 Memory corruption in n/a

Critical 9.8 Published 13 Apr 2021 Updated 3 Aug 2024

A stack overflow in the VxWorks DHCP server allows 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-2021-29999?

CVE-2021-29999 is a critical memory corruption vulnerability in n/a, published on 13 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in dhcp server.

Weakness: CWE-787

Which versions are affected by CVE-2021-29999?

It affects 1 product.

Products include Windriver Vxworks.

How do I fix CVE-2021-29999?

No fix has been published for CVE-2021-29999 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-2021-29999 being exploited?

There is no known exploitation of CVE-2021-29999 in the wild and no public exploit code.

Sources

Also known as GHSA-pjw5-hf2q-wg7j.