Vulnerability CVE-2013-5741
Published: 2013-10-28   Modified: 2013-10-30

Description:
Triangle Research International (aka Tri) Nano-10 PLC devices with firmware r81 and earlier do not properly handle large length values in MODBUS data, which allows remote attackers to cause a denial of service (transition to the interrupt state) via a crafted packet to TCP port 502.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Triplc -> Nano-10 plc 
Triplc -> Nano-10 plc firmware 

 References:
http://www.osvdb.org/97728
http://osvdb.org/ref/97/tri-nano10.txt
http://blogs.ixiacom.com/ixia-blog/hack-scada-zero-day-vulnerability-discovery-on-the-nano-10-plc/
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