CVE-2012-6438

Description

Buffer overflow in 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 allows remote attackers to cause a denial of service (NIC crash and communication outage) via a malformed CIP packet.

Category

7.8
CVSS
Severity: High
CVSS 2.0 •
EPSS 22.37% Top 5%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf us government resource

Frequently Asked Questions

What is the severity of CVE-2012-6438?
CVE-2012-6438 has been scored as a high severity vulnerability.
How to fix CVE-2012-6438?
To fix CVE-2012-6438, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-6438 being actively exploited in the wild?
It is possible that CVE-2012-6438 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~22% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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