{ "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" } } ] } }