UltrafastSecp256k1: ECDSA adaptor verification accepts non-adaptable pre-signatures due to missing DLEQ binding
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| shrec | UltrafastSecp256k1 | affected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
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| Shrec | Ultrafastsecp256k1 |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.150% probability within 30 days)
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| First Time appeared |
Shrec
Shrec ultrafastsecp256k1 |
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| Vendors & Products |
Shrec
Shrec ultrafastsecp256k1 |
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| Metrics |
ssvc
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| Description | UltrafastSecp256k1 is a high-performance, multi-backend secp256k1 engine with reproducible audit evidence, compatibility shims, and profile-based review scopes. Prior to version 4.2.0, UltrafastSecp256k1's ECDSA adaptor pre-signature verification accepts forged adaptor pre-signatures whose "r" value is not cryptographically bound to the adaptor point "T". This issue has been patched in version 4.2.0. | |
| Title | UltrafastSecp256k1: ECDSA adaptor verification accepts non-adaptable pre-signatures due to missing DLEQ binding | |
| Weaknesses | CWE-345 CWE-347 |
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| References |
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| Metrics |
cvssV3_1
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