{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-33242","assignerOrgId":"79d7e77b-4bd9-4e64-ae2c-02965b1d2b73","state":"PUBLISHED","assignerShortName":"Halborn","dateReserved":"2023-05-19T15:51:23.095Z","datePublished":"2023-08-09T21:01:37.417Z","dateUpdated":"2024-10-10T12:47:35.497Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Wallet","vendor":"Lindell TSS Implementations","versions":[{"status":"affected","version":"17"}]}],"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Fireblocks Research, Nikolaos Makriyannis, Oren Yomtov"}],"datePublic":"2023-08-09T21:15:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Crypto wallets implementing the Lindell17 TSS protocol might allow an attacker to extract the full ECDSA private key by exfiltrating a single bit in every signature attempt (256 in total) because of not adhering to the paper's security proof's assumption regarding handling aborts after a failed signature."}],"value":"Crypto wallets implementing the Lindell17 TSS protocol might allow an attacker to extract the full ECDSA private key by exfiltrating a single bit in every signature attempt (256 in total) because of not adhering to the paper's security proof's assumption regarding handling aborts after a failed signature."}],"impacts":[{"capecId":"CAPEC-474","descriptions":[{"lang":"en","value":"CAPEC-474 Signature Spoofing by Key Theft"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"description":"Private Key Exfiltration","lang":"en"}]}],"providerMetadata":{"orgId":"79d7e77b-4bd9-4e64-ae2c-02965b1d2b73","shortName":"Halborn","dateUpdated":"2023-08-09T21:40:11.815Z"},"references":[{"url":"https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/"},{"url":"https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23"},{"url":"https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc"},{"url":"https://eprint.iacr.org/2017/552.pdf"}],"source":{"discovery":"UNKNOWN"},"title":"Lindell17 TSS Abort Mishandling","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T15:39:35.953Z"},"title":"CVE Program Container","references":[{"url":"https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/","tags":["x_transferred"]},{"url":"https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23","tags":["x_transferred"]},{"url":"https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc","tags":["x_transferred"]},{"url":"https://eprint.iacr.org/2017/552.pdf","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-10-10T12:47:28.479428Z","id":"CVE-2023-33242","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-10T12:47:35.497Z"}}]}}