Vulnerability Monitor

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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.

Published

2018-03-23T17:29:00.213

Last Modified

2024-11-21T04:12:15.373

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-822
Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	beckhoff	twincat	2.11	Yes
Application	beckhoff	twincat	3.1	Yes
Application	beckhoff	twincat_c\+\+	3.1	Yes

References

http://www.securityfocus.com/bid/103487 Third Party Advisory, VDB Entry ([email protected])
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf Vendor Advisory ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02 Mitigation, Third Party Advisory, US Government Resource ([email protected])
https://srcincite.io/advisories/src-2018-0007/ ([email protected])
http://www.securityfocus.com/bid/103487 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02 Mitigation, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://srcincite.io/advisories/src-2018-0007/ (af854a3a-2127-422b-91ae-364da2661108)