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.
Short Name
SMB:NETBIOS:INV-CGNAME-LEN
Severity
Major
Recommended
False
Recommended Action
None
Category
SMB
Release Date
04/22/2003
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3324
False Positive
Unknown