Detections
Analytics
CVE-2023-33242
high
Description
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.
References
https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/
https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc