Dell BIOS contains a stack based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order to gain arbitrary code execution in SMRAM.
Metrics
CVSS Version: 3.1 |
Base Score: 7.5 HIGH Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
l➤ Exploitability Metrics: Attack Vector (AV)* LOCAL Attack Complexity (AC)* HIGH Privileges Required (PR)* HIGH User Interaction (UI)* NONE Scope (S)* CHANGED
l➤ Impact Metrics: Confidentiality Impact (C)* HIGH Integrity Impact (I)* HIGH Availability Impact (A)* HIGH