CVE-2023-25181 Memory corruption in Cesium NET

Critical 9.0 Published Updated

A heap-based buffer overflow in the uC-HTTP library allows remote attackers to execute arbitrary code via malicious network packets.

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-2023-25181?

CVE-2023-25181 is a critical memory corruption vulnerability in Silicon Labs Cesium NET, published on 14 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted set of network packets can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2023-25181?

It affects 3 products.

Products include Silabs Gecko Software Development Kit, Weston-Embedded Cesium Net, Weston-Embedded Uc-Http.

How do I fix CVE-2023-25181?

No fix has been published for CVE-2023-25181 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-2023-25181 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25181 exists.

Sources

Also known as GHSA-fpwc-rv8p-8vm5.

Is CVE-2023-25181 in your software?

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

Check your SBOMs for free