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Vulnerability CVE-2021-38578
Published: 2022-03-03
| Description: |
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize. |
Type:
CWE-787
CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
7.5/10 |
6.4/10 |
10/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
Partial |
Partial |
References: |
https://bugzilla.tianocore.org/show_bug.cgi?id=3387
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