SMB: Malformed Message
This protocol anomaly detects malformed SMB message in which the wcount field is larger than the message size or other inconsistent lengths in the SMB.
Extended Description
A NetBIOS IP packet containing a WCT (word count) field greater than the total datagram size could indicate a network configuration error, or that an attack involving the injection of malformed NetBIOS datagrams is underway.
Short Name
SMB:ERROR:MAL-MSG
Severity
Major
Recommended
True
Recommended Action
Ignore
Category
SMB
Keywords
CVE-2002-1318 CVE-2017-0016
Release Date
04/22/2003
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3324
False Positive
Unknown
CVSS Score
7.1