CVE-2021-45451 - Vulnerability Details - OpenCVE

In Mbed TLS before 3.1.0, psa_aead_generate_nonce allows policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Arm	Mbed Tls
Fedoraproject	Fedora

Configuration 1 [-]

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:36:::::::*
	cpe:2.3:o:fedoraproject:fedora:37:::::::*

No data.

References

Link	Providers
https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-21T00:00:00

Updated: 2024-08-04T04:39:20.702Z

Reserved: 2021-12-21T00:00:00

Link: CVE-2021-45451

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-12-21T07:15:06.860

Modified: 2024-11-21T06:32:14.177

Link: CVE-2021-45451

Redhat

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "matchCriteriaId": "13CCE79E-0206-41C3-BECF-F9641FD7384A", "versionEndExcluding": "3.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*", "matchCriteriaId": "5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In Mbed TLS before 3.1.0, psa_aead_generate_nonce allows policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application."}, {"lang": "es", "value": "En Mbed TLS versiones anteriores a 3.1.0, la funci\u00f3n psa_aead_generate_nonce permite omitir la pol\u00edtica o el descifrado basado en or\u00e1culos cuando el b\u00fafer de salida es encontrada en ubicaciones de memoria accesibles para una aplicaci\u00f3n no confiable"}], "id": "CVE-2021-45451", "lastModified": "2024-11-21T06:32:14.177", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-21T07:15:06.860", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-327"}], "source": "nvd@nist.gov", "type": "Primary"}]}