CVE Vulnerability

CVE-2021-38578

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

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.tianocore.org/show_bug.cgi?id=3387 Issue Tracking Permissions Required
Configurations

Configuration 1

cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*
Information

Published : 2022-03-03 10:15

Updated : 2022-12-03 02:25

NVD link : CVE-2021-38578

Mitre link : CVE-2021-38578

Products Affected
No products.
CWE
CWE-787