CVE-2023-37557 CODESYS Heap-based Buffer Overflow in multiple products

Medium 6.5 Published 3 Aug 2023 Updated 9 Oct 2024

Authenticated attackers can cause denial of service in CODESYS runtime systems via heap-based buffer overflow in the CmpAppBP component.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-37557?

CVE-2023-37557 is a medium-severity memory corruption vulnerability in Codesys Control for Beaglebone Sl, published on 3 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted remote communication requests can cause the CmpAppBP component to overwrite a heap-based buffer, which can lead to a denial-of-service condition.

Weakness: CWE-787

Which versions are affected by CVE-2023-37557?

It affects 16 products.

Products include Codesys Control for Beaglebone Sl, Codesys Control for Empc-A\/Imx6 Sl, Codesys Control for Iot2000 Sl, Codesys Control for Linux Sl, Codesys Control for Pfc100 Sl, Codesys Control for Pfc200 Sl and 10 more.

How do I fix CVE-2023-37557?

No fix has been published for CVE-2023-37557 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-2023-37557 being exploited?

There is no known exploitation of CVE-2023-37557 in the wild and no public exploit code.

All Codesys Control for Beaglebone Sl vulnerabilities

Sources

Also known as GHSA-968c-5hjv-f3v7.