The WINS server in Microsoft Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service (process termination) via invalid UDP frames to port 137 (NETBIOS Name Service), as demonstrated via a flood of random packets.
| Software | From | Fixed in |
|---|---|---|
| microsoft / windows_nt | 4.0 | 4.0.x |
| microsoft / windows_nt | 4.0-sp2 | 4.0-sp2.x |
| microsoft / windows_nt | 4.0-sp1 | 4.0-sp1.x |
| microsoft / windows_nt | 4.0-sp3 | 4.0-sp3.x |