Nortel VPN Router (aka Contivity) 1000, 2000, 4000, and 5000 before 6_05.140 uses a fixed DES key to encrypt passwords, which allows remote authenticated users to obtain a password via a brute force attack on a hash from the LDAP store.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Vpn_router_1010 | Nortel | * | * |
| Vpn_router_1050 | Nortel | * | * |
| Vpn_router_1100 | Nortel | * | * |
| Vpn_router_1700 | Nortel | * | * |
| Vpn_router_1740 | Nortel | * | * |
| Vpn_router_1750 | Nortel | * | * |
| Vpn_router_2700 | Nortel | * | * |
| Vpn_router_5000 | Nortel | * | * |
References
- http://secunia.com/advisories/24962
- http://www.securityfocus.com/bid/23562
- http://www.vupen.com/english/advisories/2007/1464
- http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL\u0026DocumentOID=567877\u0026RenditionID=\u0026poid=null
- http://secunia.com/advisories/24962
- http://www.securityfocus.com/bid/23562
- http://www.vupen.com/english/advisories/2007/1464
- http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL\u0026DocumentOID=567877\u0026RenditionID=\u0026poid=null