CVE-2023-33242 (GCVE-0-2023-33242)
Vulnerability from cvelistv5 – Published: 2023-08-09 21:01 – Updated: 2024-10-10 12:47
VLAI
EPSS
VEX
Title
Lindell17 TSS Abort Mishandling
Summary
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.
Severity
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-10 12:47 UTC
CWE
- Private Key Exfiltration
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Lindell TSS Implementations | Wallet |
Affected:
17
|
guessed |
Date Public
2023-08-09 21:15
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