VNC: Name Overflow
This protocol anomaly is a VNC server initialization message with a display name length that exceeds the user-defined maximum. The default display name maximum is 128; you can change this setting in the Sensor Settings Rulebase>Protocol Thresholds and Configuration>VNC>Display name length.
Extended Description
Detection of datagrams containing display name fields which are greater than 128 bytes may indicate a network configuration error. It could also indicate an attack.
References
Short Name
VNC:OVERFLOW:NAME
Severity
Critical
Recommended
False
Recommended Action
None
Category
VNC
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