Memory corruption vulnerability in Dell InsydeH2O UEFI Firmware - CVE-2021-33626| ID: oval:org.secpod.oval:def:77809 | Date: (C)2022-02-18 (M)2023-05-14 |
| Class: VULNERABILITY | Family: windows |
A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.
| Platform: |
| Microsoft Windows 10 |
| Microsoft Windows Server 2016 |
| Microsoft Windows Server 2008 |
| Microsoft Windows Server 2012 |
| Microsoft Windows Server 2008 R2 |
| Microsoft Windows 8.1 |
| Microsoft Windows Server 2019 |
| Microsoft Windows Server 2012 R2 |
| Microsoft Windows 7 |
| Microsoft Windows Server |
| Microsoft Windows 11 |
| Microsoft Windows Server 2022 |
