Intel BIOS: Mem Integrity Leak via Unvalidated Address in Confidential Compute
CVE-2022-23814 Published on January 11, 2023

Failure to validate addresses provided by software to BIOS commands may result in a potential loss of integrity of guest memory in a confidential compute environment.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2022-23814 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.


Products Associated with CVE-2022-23814

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AMD Milanpi Sp3 Firmware
 

Affected Versions

AMD 3rd Gen EPYC Version various is affected by CVE-2022-23814

Exploit Probability

EPSS
0.25%
Percentile
48.12%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.