CVE-2020-18440 Memory corruption in n/a

Critical 9.8 Published 2 Nov 2021 Updated 4 Aug 2024

A buffer overflow in PHPok allows attackers to execute arbitrary code on the web server.

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-2020-18440?

CVE-2020-18440 is a critical memory corruption vulnerability in n/a, published on 2 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to execute arbitrary code.

Weakness: CWE-120

Which versions are affected by CVE-2020-18440?

It affects 1 product.

Products include Phpok Phpok.

How do I fix CVE-2020-18440?

No fix has been published for CVE-2020-18440 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-2020-18440 being exploited?

There is no known exploitation of CVE-2020-18440 in the wild and no public exploit code.

Sources

Also known as GHSA-g4j9-xc4c-6pmc.