Vulnerability CVE-2012-6437
Published: 2013-01-24   Modified: 2013-01-25

Description:
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 do not properly perform authentication for Ethernet firmware updates, which allows remote attackers to execute arbitrary code via a Trojan horse update image.

Type:

CWE-287

 (Improper Authentication)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Rockwellautomation -> Guardlogix 
Rockwellautomation -> Controllogix controllers 
Rockwellautomation -> Softlogix 
Rockwellautomation -> Guardlogix controllers 
Rockwellautomation -> Micrologix 
Rockwellautomation -> Softlogix controllers 
Rockwellautomation -> 1756-enbt 
Rockwellautomation -> 1756-eweb 
Rockwellautomation -> 1768-enbt 
Rockwellautomation -> 1768-eweb 
Rockwellautomation -> 1794-aentr flex i/o ethernet/ip adapter 
Rockwellautomation -> Compactlogix 
Rockwellautomation -> Compactlogix controllers 
Rockwellautomation -> Compactlogix l32e controller 
Rockwellautomation -> Compactlogix l35e controller 
Rockwellautomation -> Controllogix 
Rockwellautomation -> Flexlogix 1788-enbt adapter 

 References:
http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf
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