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CVE-2020-17528 Apache NuttX (incubating) Out of Bound Write from invalid TCP Urgent length

Critical 9.1 Published Updated

An attacker can corrupt memory and potentially execute code or cause denial of service by sending malicious TCP packets with invalid urgent data pointers to Apache NuttX.

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-2020-17528?

CVE-2020-17528 is a critical memory corruption vulnerability in Apache NuttX (incubating), published on 9 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying arbitrary urgent data pointer offsets within TCP packets including beyond the length of the packet.

Weakness: CWE-787

Which versions are affected by CVE-2020-17528?

It affects 1 product.

Products include Apache Nuttx.

How do I fix CVE-2020-17528?

No fix has been published for CVE-2020-17528 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-2020-17528 being exploited?

There is no known exploitation of CVE-2020-17528 in the wild and no public exploit code.

Sources

Also known as GHSA-36mq-qwm2-6rpp.

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