nuauth in NuFW before 1.0.21 does not properly handle blocking TLS sockets, which allows remote authenticated users to cause a denial of service (service hang) by flooding packets at the authentication server.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nufw_firewall | Nufw | 1.0.20 (including) | 1.0.20 (including) |
| Nufw | Ubuntu | dapper | * |
| Nufw | Ubuntu | devel | * |
| Nufw | Ubuntu | edgy | * |
| Nufw | Ubuntu | feisty | * |
| Nufw | Ubuntu | gutsy | * |
| Nufw | Ubuntu | hardy | * |
| Nufw | Ubuntu | intrepid | * |
| Nufw | Ubuntu | jaunty | * |
| Nufw | Ubuntu | karmic | * |
References
- http://secunia.com/advisories/19046
- http://www.nufw.org/+NuFW-1-21-minor-security-fix+.html
- http://www.securityfocus.com/bid/16868
- http://www.vupen.com/english/advisories/2006/0762
- http://secunia.com/advisories/19046
- http://www.nufw.org/+NuFW-1-21-minor-security-fix+.html
- http://www.securityfocus.com/bid/16868
- http://www.vupen.com/english/advisories/2006/0762