Clavister Information for VU#888801
SSL/TLS implementations disclose side channel information via PKCS #1 v1.5 version number extension
- Vendor Information Help Date Notified: 18 Apr 2003
- Statement Date:
- Date Updated: 23 May 2003
Clavister Firewall: Not Vulnerable
Clavister VPN Client: Not Vulnerable
The IKE protocol is not vulnerable to the Klima-Pokorny-Rosa attack, as it does not provide the necessary "clues" for the Bad Version Oracle to work with.
Even IKE with RSA encryption, which is an unusual IKE mode of operation that Clavister products does not do, should be immune to this attack.
The vendor has not provided us with any further information regarding this vulnerability.
The CERT/CC has no additional comments at this time.
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