{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-9071","assignerOrgId":"455daabc-a392-441d-aa46-37d35189897c","state":"PUBLISHED","assignerShortName":"NCSC.ch","dateReserved":"2025-08-15T14:58:36.635Z","datePublished":"2025-08-29T09:19:59.959Z","dateUpdated":"2025-08-29T13:45:42.363Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Oberon PSA Crypto","vendor":"Oberon microsystems AG","versions":[{"changes":[{"at":"rsa_oaep_padding.patch","status":"unaffected"}],"lessThanOrEqual":"1.5.1","status":"affected","version":"1.0.0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Nordic Semiconductor ASA"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(248, 248, 248);\"><span style=\"background-color: rgb(248, 248, 248);\">Erroneously using an all-zero seed for RSA-OEAP padding instead of the generated random bytes, in Oberon microsystems AG’s Oberon PSA Crypto library in all versions up to 1.5.1, results in deterministic RSA and thus in a loss of confidentiality for guessable messages, recognition of repeated messages, and loss of security proofs.</span></span><br>"}],"value":"Erroneously using an all-zero seed for RSA-OEAP padding instead of the generated random bytes, in Oberon microsystems AG’s Oberon PSA Crypto library in all versions up to 1.5.1, results in deterministic RSA and thus in a loss of confidentiality for guessable messages, recognition of repeated messages, and loss of security proofs."}],"impacts":[{"capecId":"CAPEC-97","descriptions":[{"lang":"en","value":"CAPEC-97 Cryptanalysis"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NEGLIGIBLE","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/RE:L","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"LOW"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-780","description":"CWE-780 Use of RSA Algorithm without OEAP","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"455daabc-a392-441d-aa46-37d35189897c","shortName":"NCSC.ch","dateUpdated":"2025-08-29T09:19:59.959Z"},"references":[{"url":"https://www.oberon.ch/security-advisories/cve-2025-9071/"}],"source":{"discovery":"EXTERNAL"},"title":"Insecure RSA-OAEP implementation with all-zero seed for padding in Oberon PSA Crypto","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-29T13:45:26.977528Z","id":"CVE-2025-9071","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-08-29T13:45:42.363Z"}}]}}