The error checking routine used for the C_Verify call on a symmetric verification key in the nCipher PKCS#11 library 1.2.0 and later returns the CKR_OK status even when it detects an invalid signature, which could allow remote attackers to modify or forge messages.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pkcs_11_library | Ncipher | 1.2.0 (including) | 1.2.0 (including) |