NetScreen ScreenOS 2.8 through 4.0, when forwarding H.323 or Netmeeting traffic, allows remote attackers to cause a denial of service (firewall session table consumption) by establishing multiple half-open H.323 sessions, which are not cleaned up on garbage removal and do not time out for 36 hours.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Screenos | Netscreen | 2.8 (including) | 2.8 (including) |
| Screenos | Netscreen | 3.0 (including) | 3.0 (including) |
| Screenos | Netscreen | 3.1 (including) | 3.1 (including) |
| Screenos | Netscreen | 4.0 (including) | 4.0 (including) |