CVE-2019-12567 Memory corruption in n/a

Critical 9.8 Published 23 Dec 2019 Updated 4 Aug 2024

Remote attackers can execute arbitrary code or cause denial of service via a long TFTP error packet in Open TFTP Server MT.

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-2019-12567?

CVE-2019-12567 is a critical memory corruption vulnerability in n/a, published on 23 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Stack-based overflow vulnerability in the logMess function in Open TFTP Server MT 1.65 and earlier allows remote attackers to perform a denial of service or execute arbitrary code via a long TFTP error packet, a different vulnerability than CVE-2018-10387 and CVE-2019-12568.

Weakness: CWE-787

Which versions are affected by CVE-2019-12567?

It affects 1 product.

Products include Open Tftp Server Project Open Tftp Server.

How do I fix CVE-2019-12567?

No fix has been published for CVE-2019-12567 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-2019-12567 being exploited?

There is no known exploitation of CVE-2019-12567 in the wild and no public exploit code.

Sources

Also known as GHSA-3vvp-wwgp-m9wm.