CVE-2022-24884

ecdsautils is a tiny collection of programs used for ECDSA keygen, sign, verify. ecdsaverifypreparelegacy does not check whether the signature values r and s are non-zero. A signature consisting only of zeroes is always considered valid, making it trivial to forge signatures. Requiring multiple...

CVE-2022-24884 Trivial signature forgery in ecdsautils

ecdsautils is a tiny collection of programs used for ECDSA keygen, sign, verify. ecdsaverifypreparelegacy does not check whether the signature values r and s are non-zero. A signature consisting only of zeroes is always considered valid, making it trivial to forge signatures. Requiring multiple...

PT-2022-3495 · Unknown +2 · Ecdsautils +2

Name of the Vulnerable Software and Affected Versions: ecdsautils versions prior to 0.4.1 Description: The issue is related to the ecdsa verify prepare legacy function, which does not check whether the signature values r and s are non-zero. This allows for trivial signature forgery, as a signatur...