CWE-1190

DMA Device Enabled Too Early in Boot Phase

The product enables a Direct Memory Access (DMA) capable device before the security configuration settings are established, which allows an attacker to extract data from or gain privileges on the product.

CVE-2022-22566 (GCVE-0-2022-22566)
Vulnerability from cvelistv5
Published
2022-02-09 20:00
Modified
2024-09-17 01:45
Severity ?
6.9 (Medium) - CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-1190 - DMA Device Enabled Too Early in Boot Phase
Summary
Select Dell Client Commercial and Consumer platforms contain a pre-boot direct memory access (DMA) vulnerability. An authenticated attacker with physical access to the system may potentially exploit this vulnerability in order to execute arbitrary code on the device.
References
Impacted products
Vendor Product Version
Dell CPG BIOS Version: unspecified   < 1.15
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Mitigation

Phase: Architecture and Design

Description:

  • Utilize an IOMMU to orchestrate IO access from the start of the boot process.
CAPEC-180: Exploiting Incorrectly Configured Access Control Security Levels

An attacker exploits a weakness in the configuration of access controls and is able to bypass the intended protection that these measures guard against and thereby obtain unauthorized access to the system or network. Sensitive functionality should always be protected with access controls. However configuring all but the most trivial access control systems can be very complicated and there are many opportunities for mistakes. If an attacker can learn of incorrectly configured access security settings, they may be able to exploit this in an attack.

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