Critical severity9.6NVD Advisory· Published Aug 9, 2023· Updated Jun 17, 2026

CVE-2023-33242

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Fireblocks/mpc-ecdsa-attacks-23llm-create
Fireblocks/zengo-lindell17-exploit-pocllm-create
Lindell Tss Implementations/Walletv5
Range: 17

Patches

Vulnerability mechanics

References

eprint.iacr.org/2017/552.pdfnvdExploitThird Party Advisory
www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/nvdThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.624
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000