CVE-2023-33242 in Lindell17

Résumé

par MITRE • 10/08/2023

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.

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• Réserver: 19/05/2023
• Divulgation: 10/08/2023
• Modérer: accepté
• Entrée: VDB-236701
• CPE: prêt
• CWE: CWE-200 (confirmé)
• Exploitation: Télécharger
• CVSS: 9.6 (CNA)
• EPSS: 0.01091
• KEV: non
• Activités: très faible

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2023-33242
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-33242
• CVE Details: https://www.cvedetails.com/cve/CVE-2023-33242/