CVE-2023-25537 Memory corruption in PowerEdge Platform

Medium 6.1 Published 22 May 2023 Updated 21 Jan 2025

A local attacker can exploit an out-of-bounds write in Dell BIOS to execute arbitrary code or escalate privileges via SMRAM exposure.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-25537?

CVE-2023-25537 is a medium-severity memory corruption vulnerability in Dell PowerEdge Platform, published on 22 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell PowerEdge 14G server BIOS versions prior to 2.18.1 and Dell Precision BIOS versions prior to 2.18.2, contain an Out of Bounds write vulnerability. A local attacker with low privileges could potentially exploit this vulnerability leading to exposure of some SMRAM stack/data/code in System Management Mode, leading to arbitrary code execution or escalation of privilege.

Weakness: CWE-787

Which versions are affected by CVE-2023-25537?

It affects 30 products.

Products include Dell Dss 8440 Firmware, Dell Emc Storage Nx3240 Firmware, Dell Emc Storage Nx3340 Firmware, Dell Emc Xc Core 6420 Firmware, Dell Emc Xc Core Xc640 Firmware, Dell Emc Xc Core Xc740xd2 Firmware and 24 more.

How do I fix CVE-2023-25537?

No fix has been published for CVE-2023-25537 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-2023-25537 being exploited?

There is no known exploitation of CVE-2023-25537 in the wild and no public exploit code.

Sources

Also known as GHSA-f88f-9mmf-7xm6.