CVE-2023-45318 Memory corruption in Gecko Platform

Critical 10.0 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-2023-45318?

CVE-2023-45318 is a critical memory corruption vulnerability in Silicon Labs Gecko Platform, published on 20 Feb 2024. 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 git commit 80d4004. A specially crafted network packet 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-2023-45318?

It affects 2 products.

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

How do I fix CVE-2023-45318?

No fix has been published for CVE-2023-45318 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-2023-45318 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45318 exists.

Sources

Also known as GHSA-j494-r8wx-qpjr.

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