Improper Validation in Beckhoff TwinCAT 3.1 and TwinCAT 2.11 Kernel Drivers
CVE-2018-7502

7.8HIGH

Key Information:

Vendor

Ics-cert

Status
Beckhoff Twincat Plc Products
Vendor
CVE Published:
22 March 2018

What is CVE-2018-7502?

The kernel drivers in Beckhoff's TwinCAT 3.1 and TwinCAT 2.11 lack sufficient validation of user-supplied pointer values. This oversight can enable attackers with code execution capability to exploit this flaw, potentially allowing them to escalate privileges to SYSTEM level. Consequently, this could lead to unauthorized access and manipulation of critical system functionalities, raising significant security concerns for users of these products.

Affected Version(s)

Beckhoff TwinCAT PLC products TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, TwinCAT 3.1

References

https://srcincite.io/advisories/src-2018-0007/
x_refsource_MISC
http://www.securityfocus.com/bid/103487
vdb-entryx_refsource_BID
https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.