Signature Detail
Short Name |
DNS:OVERFLOW:TOO-LONG-TCP-MSG |
|---|---|
Severity |
High |
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-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
DNS: TCP Message Too Long Buffer Overflow
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.
Extended Description
The presence of a DNS packet with an anomalous data length might indicate a buffer overflow attack being attempted.
References