CVE-2023-33242
Critical
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.
SeverityCritical
CVSS9.6
Exploit probability—
ProductLindell17
PublishedAug 9, 2023
First seenAug 9, 2023
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lindell17_project lindell17 | No range specified | — |
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