CVE-2012-6441: Rockwell Automation ControlLogix PLC Information Exposure

Published Jan 24, 2013
·
Updated

An information exposure of confidential information results when the device receives a specially crafted CIP packet to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP. Successful exploitation of this vulnerability could cause loss of confidentiality.

Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400

Other sources

Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400 allow remote attackers to obtain sensitive information via a crafted CIP packet.

Affected Software

18 affected components
rockwellautomation Controllogix Controllers<=20
rockwellautomation Guardlogix Controllers<=20
rockwellautomation Micrologix<=1100
rockwellautomation Micrologix<=1400
rockwellautomation Softlogix Controllers<=19
rockwellautomation 1756-enbt
rockwellautomation 1756-eweb
rockwellautomation 1768-enbt
rockwellautomation 1768-eweb
rockwellautomation 1794-aentr Flex I\/o Ethernet\/ip Adapter
rockwellautomation Compactlogix<=18
rockwellautomation Compactlogix Controllers<=19
rockwellautomation Compactlogix L32e Controller
rockwellautomation Compactlogix L35e Controller
rockwellautomation Controllogix<=18
rockwellautomation Flexlogix 1788-enbt Adapter
rockwellautomation Guardlogix<=18
rockwellautomation Softlogix<=18

Remediation

Information

According to Rockwell, any of the above products that become affected by a vulnerability can be reset by rebooting or power cycling the affected product. After the reboot, the affected product may require some reconfiguration. To mitigate the vulnerabilities, Rockwell has developed and released security patches on July 18, 2012, to address each of the issues. To download and install the patches please refer to Rockwell’s Advisories at: https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154 https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155 https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156 For more information on security with Rockwell Automation products, please refer to Rockwell’s Security Advisory Index http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102 .

Event History

Jan 24, 2013
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:55 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2012-6441?

CVE-2012-6441 has been classified with a severity rating that indicates a significant vulnerability in Rockwell Automation products.

2

How do I fix CVE-2012-6441?

To fix CVE-2012-6441, update your affected Rockwell Automation devices to the latest firmware version provided by the manufacturer.

3

Which Rockwell Automation products are affected by CVE-2012-6441?

CVE-2012-6441 affects several Rockwell Automation products, including various CompactLogix, ControlLogix, and EtherNet/IP modules among others.

4

Can CVE-2012-6441 be exploited remotely?

Yes, CVE-2012-6441 can potentially be exploited remotely, allowing unauthorized access to the affected systems.

5

Is there a workaround for CVE-2012-6441?

Implementing network segmentation and limiting access to affected devices may serve as a temporary workaround for CVE-2012-6441.

Company

Resources

Contact

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