CVE-2023-35849 Memory corruption in n/a

High 7.5 Published 19 Jun 2023 Updated 11 Dec 2024

Attackers can cause memory corruption or denial of service by sending malformed packets to systems using the picoTCP library.

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-2023-35849?

CVE-2023-35849 is a high-severity memory corruption vulnerability in n/a, published on 19 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in accessing data outside of a packet.

Weakness: CWE-754

Which versions are affected by CVE-2023-35849?

It affects 1 product.

Products include Virtualsquare Picotcp.

How do I fix CVE-2023-35849?

No fix has been published for CVE-2023-35849 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-2023-35849 being exploited?

There is no known exploitation of CVE-2023-35849 in the wild and no public exploit code.

Sources

Also known as GHSA-hjwh-ffhj-2hxf.