Signature Detail
Short Name |
SMB:NETBIOS:INV-CGNAME-LEN |
|---|---|
Severity |
High |
Recommended |
No |
Category |
SMB |
Release Date |
2003/04/22 |
Update Number |
1213 |
Supported Platforms |
di-5.3+, idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
SMB: Invalid Calling Name Length
This protocol anomaly is an invalid calling name length in the NETBIOS header that encapsulates an SMB. NETBIOS names are 16 bytes and can encode to a maximum of 34 bytes.
Extended Description
The detection of this anomaly could indicate a configuration error or an attacker is attempting to inject malformed packets into the network.
References