Bugs in Galil Compact PLC

Monday, April 29, 2013 @ 08:04 PM gHale


Galil produced an update that mitigates the improper validation vulnerability in its RIO-47100 PLC that can result in a loss of availability, according to a report on ICS-CERT.

Researcher Jon Christmas of Solera Networks, who found the vulnerability, tested the update and validates that it resolves the remotely exploitable vulnerability.

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Successful exploitation of this vulnerability could allow an attacker to affect the availability for the Galil RIO-47100 PLC, which sees use in the energy, defense industrial base, and agriculture and food sectors.

Galil is a U.S.-based company that maintains offices in Rocklin, CA. Galil produces motion control products distributed globally.

The RIO-47100 PLC is a compact PLC system that includes I/O. Galil said the products see use primarily in the United States and Europe with a small percentage in Asia.

The Galil RIO-47100 PLC allows repeated requests to send in a single session. By using these repeated requests sent in a single session, an attacker can cause a denial of service of the system.

CVE-2013-0699 is the number assigned to this vulnerability, which has a CVSS v2 base score of 7.1.

No known public exploits specifically target this vulnerability. However, an attacker with a medium skill would be able to exploit this vulnerability.

Galil developed an update to the RIO-47100 PLC that mitigates this vulnerability. Instructions and a link to the update are on the Galil download page.



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