CVE-2021-38578 Vulnerability Details

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CVE-2021-38578 Metadata Quick Info

CVE Published: 03/03/2022 | CVE Updated: 06/08/2024 | CVE Year: 2021
Source: TianoCore | Vendor: TianoCore | Product: EDK II
Status : PUBLISHED

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CVE-2021-38578 Description

Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.

Metrics

CVSS Version: 3.1 | Base Score: 7.4 HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L

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)* LOW

Weakness Enumeration (CWE)

CWE-ID: CWE-124
CWE Name: A case of CWE-124 is occurring in PiSmmCore.
Source: TianoCore

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).