Description
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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:P/A:NAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://archives.neohapsis.com/archives/bugtraq/2002-08/0172.html
- http://www.iss.net/security_center/static/9895.php
- http://www.ncipher.com/support/advisories/advisory5_c_verify.htmlPatch
- http://www.securityfocus.com/bid/5498
- http://archives.neohapsis.com/archives/bugtraq/2002-08/0172.html
- http://www.iss.net/security_center/static/9895.php
- http://www.ncipher.com/support/advisories/advisory5_c_verify.htmlPatch
- http://www.securityfocus.com/bid/5498
Timeline
- Published
- Aug 1, 2002
- Last modified
- Jun 16, 2026
- NVD status
- Modified