CVE-2018-7502

Description

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.

Categories

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.17%
Vendor Advisory beckhoff.com
Affected: ICS-CERT Beckhoff TwinCAT PLC products
Published at:
Updated at:

References

Link Tags
https://srcincite.io/advisories/src-2018-0007/
http://www.securityfocus.com/bid/103487 vdb entry third party advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02 us government resource third party advisory mitigation
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-7502?
CVE-2018-7502 has been scored as a high severity vulnerability.
How to fix CVE-2018-7502?
To fix CVE-2018-7502, 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-2018-7502 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-7502 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-7502?
CVE-2018-7502 affects ICS-CERT Beckhoff TwinCAT PLC products.
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