fkie_cve-2021-46756
Vulnerability from fkie_nvd
Published
2023-05-09 20:15
Modified
2025-01-28 16:15
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
Insufficient validation of inputs in
SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an
attacker with a malicious Uapp or ABL to send malformed or invalid syscall to
the bootloader resulting in a potential denial of service and loss of
integrity.
References
Impacted products
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"168076CD-1E6D-4328-AB59-4C1A90735AC4", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, ], cveTags: [], descriptions: [ { lang: "en", value: "Insufficient validation of inputs in\nSVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an\nattacker with a malicious Uapp or ABL to send malformed or invalid syscall to\nthe bootloader resulting in a potential denial of service and loss of\nintegrity.\n\n\n\n\n\n\n\n\n", }, ], id: "CVE-2021-46756", lastModified: "2025-01-28T16:15:31.723", metrics: { cvssMetricV31: [ { cvssData: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 9.1, baseSeverity: "CRITICAL", confidentialityImpact: "NONE", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", version: "3.1", }, exploitabilityScore: 3.9, impactScore: 5.2, source: "nvd@nist.gov", type: "Primary", }, { cvssData: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 9.1, baseSeverity: "CRITICAL", confidentialityImpact: "NONE", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", version: "3.1", }, exploitabilityScore: 3.9, impactScore: 5.2, source: "134c704f-9b21-4f2e-91b3-4a467353bcc0", type: "Secondary", }, ], }, published: "2023-05-09T20:15:12.200", references: [ { source: "psirt@amd.com", tags: [ "Vendor Advisory", ], url: "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001", }, { source: "psirt@amd.com", tags: [ "Vendor Advisory", ], url: "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Vendor Advisory", ], url: "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Vendor Advisory", ], url: "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001", }, ], sourceIdentifier: "psirt@amd.com", vulnStatus: "Modified", weaknesses: [ { description: [ { lang: "en", value: "CWE-20", }, ], source: "nvd@nist.gov", type: "Primary", }, ], }
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.