CVE-2023-20521
3.3
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L
Summary
TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4 | various | affected |
| AMD | Ryzen™ Threadripper™ 2000 Series Processors “Colfax” | various | affected |
| AMD | Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5 | various | affected |
| AMD | Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” | various | affected |
| AMD | Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics “Picasso” FP5 | various | affected |
| AMD | 1st Gen AMD EPYC™ Processors | various | affected |
| AMD | 2nd Gen AMD EPYC™ Processors | various | affected |
| AMD | 3rd Gen AMD EPYC™ Processors | various | affected |
| AMD | AMD EPYC™ Embedded 3000 | various | affected |
| AMD | AMD EPYC™ Embedded 7002 | various | affected |
| AMD | AMD EPYC™ Embedded 7003 | various | affected |
| AMD | AMD Ryzen™ Embedded R1000 | various | affected |
| AMD | AMD Ryzen™ Embedded R2000 | various | affected |
| AMD | AMD Ryzen™ Embedded V1000 | various | affected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
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