RSA signature validation vulnerability on maleable encoded message in jsrsasign

Impact Vulnerable jsrsasign will accept RSA signature with improper PKCS1.5 padding. Decoded RSA signature value consists following form: 01ff...8 or more ffs...ff00ASN.1 OF DigestInfo Its byte length must be the same as RSA key length, however such checking was not sufficient. To make crafted...

GHSA-27FJ-MC8W-J9WG RSA signature validation vulnerability on maleable encoded message in jsrsasign

Impact Vulnerable jsrsasign will accept RSA signature with improper PKCS1.5 padding. Decoded RSA signature value consists following form: 01ff...8 or more ffs...ff00ASN.1 OF DigestInfo Its byte length must be the same as RSA key length, however such checking was not sufficient. To make crafted...