CVE-2023-35846 Missing authorization in n/a

High 7.5 Published Updated

Attackers can bypass port filtering in picoTCP by sending frames with unchecked transport layer lengths, potentially accessing restricted services.

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-2023-35846?

CVE-2023-35846 is a high-severity missing authorization 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 check the transport layer length in a frame before performing port filtering.

Which versions are affected by CVE-2023-35846?

It affects 1 product.

Products include Virtualsquare Picotcp.

How do I fix CVE-2023-35846?

No fix has been published for CVE-2023-35846 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-35846 being exploited?

There is no known exploitation of CVE-2023-35846 in the wild and no public exploit code.

Sources

Also known as GHSA-46vq-gghc-mv9x.

Is CVE-2023-35846 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free