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Vulnerability CVE-2021-26370
Published: 2022-05-10
| Description: |
Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability. |
Type:
CWE-20 (Improper Input Validation)
CVSS2 => (AV:L/AC:L/Au:N/C:N/I:C/A:C)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
6.6/10 |
9.2/10 |
3.9/10 |
| Exploit range |
Attack complexity |
Authentication |
Local |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
None |
Complete |
Complete |
References: |
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021
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