CVE-2018-16526 Memory corruption in n/a

High 8.1 Published 6 Dec 2018 Updated 5 Aug 2024

Remote attackers can execute arbitrary code or leak information via a buffer overflow in the FreeRTOS TCP/IP checksum generation.

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-2018-16526?

CVE-2018-16526 is a high-severity memory corruption vulnerability in n/a, published on 6 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow remote attackers to leak information or execute arbitrary code because of a Buffer Overflow during generation of a protocol checksum in usGenerateProtocolChecksum and prvProcessIPPacket.

Which versions are affected by CVE-2018-16526?

It affects 2 products.

Products include Amazon Amazon Web Services Freertos, Amazon Freertos.

How do I fix CVE-2018-16526?

No fix has been published for CVE-2018-16526 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-2018-16526 being exploited?

There is no known exploitation of CVE-2018-16526 in the wild and no public exploit code.

Sources

Also known as GHSA-x25v-p526-wx8v.