critical9.6
CVE-2023-33242
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 sign…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Lindell17 Project | Lindell17 | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- https://eprint.iacr.org/2017/552.pdf
- https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23
- https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc
- https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/
- https://eprint.iacr.org/2017/552.pdf
- https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23
- https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc
- https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/