SCADA: TRI Coil Quantity Handling Denial of Service
This signature detects attempts to exploit a known vulnerability against SCADA Modbus Tri device. A successful attack can lead to denial of service.
Extended Description
Triangle Research International (aka Tri) Nano-10 PLC devices with firmware before r81 use an incorrect algorithm for bounds checking of data in Modbus/TCP packets, which allows remote attackers to cause a denial of service (networking outage) via a crafted packet to TCP port 502.
Short Name
SCADA:MODBUS:TRI-COIL-DOS
Severity
Major
Recommended
False
Recommended Action
Drop
Category
SCADA
Keywords
CVE-2013-2784 Coil Denial Handling Quantity Service TRI of
Release Date
07/23/2014
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
3761
Port
TCP/502
False Positive
Unknown
CVSS Score
7.8