| Plugin ID | 72 |
| Plugin name | OpenSSL SSL/TLS handshake denial of service |
| Plugin filename | OpenSSL SSL-TLS handshake denial of service.plugin |
| Plugin filesize | 2947 bytes |
| Plugin family | HTTP |
| Plugin created name | Marc Ruef |
| Plugin created email | marc dot ruef at computec dot ch |
| Plugin created web | http://www.computec.ch |
| Plugin created company | computec.ch |
| Plugin created date | 2004/03/22 |
| Plugin updated name | Marc Ruef |
| Plugin updated email | marc dot ruef at computec dot ch |
| Plugin updated web | http://www.computec.ch |
| Plugin updated company | computec.ch |
| Plugin updated date | 2004/11/13 |
| Plugin version | 1.5 |
| Plugin changelog | Corrected the plugin structure and added the accuracy values in 1.5 |
| Plugin protocol | tcp |
| Plugin port | 443 |
| Plugin procedure detection | open|send HEAD / HTTP/1.0\n\n|sleep|close|pattern_exists *OpenSSL 0.9.[6-7]* |
| Plugin detection accuracy | 80 |
| Plugin comment | Check is copied from the Nessus plugin. It is the first SSL plugin and I am not sure if the SSL connection is handled correctly. |
| Bug advisory | http://www.openssl.org/news/secadv_20040317.txt |
| Bug affected | OpenSSL 0.9.6c to 0.9.7c; every producs that uses the afftected OpenSSL version is also affected (e.g. Cisco products). |
| Bug not affected | OpenSSL newer than 0.9.7c |
| Bug vulnerability class | Denial Of Service |
| Bug description | There are several bugs in this version of OpenSSL which may allowan attacker to cause a denial of service against the remote host. |
| Bug solution | Upgrade to version 0.9.6m (0.9.7d) or newer. |
| Bug fixing time | 1 hour |
| Bug exploit availability | Yes |
| Bug exploit url | http://www.securityfocus.com/bid/9899/exploit/ |
| Bug remote | Yes |
| Bug local | Yes |
| Bug severity | High |
| Bug popularity | 8 |
| Bug simplicity | 7 |
| Bug impact | 8 |
| Bug risk | 7 |
| Bug Nessus risk | Medium |
| Bug check tools | Nessus is able to do the same check. |
| Source CVE | CAN-2004-0079 |
| Source SecurityFocus BID | 9899 |
| Source Secunia ID | 11139 |
| Source Nessus ID | 12110 |
| Source Literature | Hacking Exposed: Network Security Secrets & Solutions, Stuart McClure, Joel Scambray and George Kurtz, February 25, 2003, 4th Edition, McGraw-Hill Osborne Media, ISBN 0072227427 |
| Source Misc. | http://www.uniras.gov.uk/vuls/2004/224012/index.htm |