Total vulnerabilities in the database
The DNS-over-TCP implementation in Cisco IOS 12.2 and 15.0 through 15.3, when NAT is used, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 DNS TCP stream, aka Bug ID CSCtn53730.
| Software | From | Fixed in |
|---|---|---|
| cisco / ios | 15.1 | 15.1.x |
| cisco / ios | 15.0 | 15.0.x |
| cisco / ios | 15.3 | 15.3.x |
| cisco / ios | 12.2 | 12.2.x |
| cisco / ios | 15.2 | 15.2.x |