Short Name |
DNS:OVERFLOW:TOO-LONG-TCP-MSG |
---|---|
Severity |
Major |
Recommended |
No |
Recommended Action |
Drop Packet |
Category |
DNS |
Release Date |
2003/04/22 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
This protocol anomaly triggers when it detects a DNS TCP-based request/reply that exceeds the maximum length specified in the message header. This can indicate a buffer overflow or an exploit attempt.
The presence of a DNS packet with an anomalous data length might indicate a buffer overflow attack being attempted.