CVE-2024-36877 Memory corruption in n/a

High 8.2 Published Updated

Attackers can exploit a write-what-where condition in MSI motherboard firmware to execute arbitrary code and escalate privileges.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-36877?

CVE-2024-36877 is a high-severity memory corruption vulnerability in n/a, published on 12 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.

Weakness: CWE-123

Which versions are affected by CVE-2024-36877?

How do I fix CVE-2024-36877?

No fix has been published for CVE-2024-36877 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-2024-36877 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-36877 exists.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-7j43-4jvq-vg4w.

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