CVE Vulnerability

CVE-2018-7502

Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf Vendor Advisory
http://www.securityfocus.com/bid/103487 Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02 Mitigation Third Party Advisory
https://srcincite.io/advisories/src-2018-0007/
Configurations

Configuration 1

cpe:2.3:a:beckhoff:twincat:3.1:*:*:*:*:*:*:*
cpe:2.3:a:beckhoff:twincat:2.11:*:*:*:*:*:*:*
cpe:2.3:a:beckhoff:twincat_c++:3.1:*:*:*:*:*:*:*
Information

Published : 2018-03-23 05:29

Updated : 2018-05-23 01:29

NVD link : CVE-2018-7502

Mitre link : CVE-2018-7502

Products Affected
No products.
CWE
CWE-20