CVE-2023-3935 Wibu: Buffer Overflow in CodeMeter Runtime

Critical 9.8 Published Updated

Unauthenticated remote attackers can achieve remote code execution and full host access via a heap buffer overflow in Wibu CodeMeter Runtime.

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-2023-3935?

CVE-2023-3935 is a critical memory corruption vulnerability in Wibu CodeMeter Runtime, published on 13 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A heap buffer overflow vulnerability in Wibu CodeMeter Runtime network service up to version 7.60b allows an unauthenticated, remote attacker to achieve RCE and gain full access of the host system.

Weakness: CWE-787

Which versions are affected by CVE-2023-3935?

It affects 24 products.

Products include Phoenixcontact Activation Wizard, Phoenixcontact E-Mobility Charging Suite, Phoenixcontact Fl Network Manager, Phoenixcontact Iol-Conf, Phoenixcontact Module Type Package Designer, Phoenixcontact Plcnext Engineer and 18 more.

How do I fix CVE-2023-3935?

No fix has been published for CVE-2023-3935 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-2023-3935 being exploited?

There is no known exploitation of CVE-2023-3935 in the wild and no public exploit code.

Sources

Also known as GHSA-c9rf-qf73-r46f.

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