PT-2018-46: Code Injection in EVLink Parking

(PT-2018-46) Positive Technologies Security Advisory
Code Injection in EVLink Parking

Vulnerable product

EVLink Parking
Version: v3.2.0-12_v1 and earlier

Link:
https://www.schneider-electric.com/

Severity level

Severity level: High
Impact: Unauthorized access
Access Vector: Remote

CVSS v3:
Base Score: 8.8
Vector: (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

CVE: CVE-2018-7801

Vulnerability description

The specialists of the Positive Research center have detected a Code Injection vulnerability in the EVLink Parking product.

A code injection vulnerability in Schneider Electricĺs EVLink Parking allows remote attackers to execute arbitrary code and obtain unauthorized access with maximum privileges.

How to fix

Use vendor's advisory:
https://www.schneider-electric.com/en/download/document/SEVD-2018-354-01/

Advisory status

10.05.2018 - Vendor gets vulnerability details
20.12.2018 - Vendor releases fixed version and details
26.12.2018 - Public disclosure

Credits

The vulnerability was detected by Vladimir Kononovich, Vyacheslav Moskvin, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2018-46

Reports on the vulnerabilities previously discovered by Positive Research:

https://www.ptsecurity.com/
https://en.securitylab.ru/lab/

About Positive Technologies

Positive Technologies is a leading digital security firm with over 15 years of experience in 360░ protection of critical IT systems against the most advanced cyberthreats. State-of-the-art solutions are developed at the company's research centerŚone of the largest in Europe. Positive Technologies experts have helped to identify and fix over 250 zero-day vulnerabilities in products from Cisco, Google, Honeywell, Huawei, Microsoft, Oracle, SAP, Schneider Electric, Siemens, and others, earning a reputation for world-class expertise in protection of devices and infrastructures at all scales from ATMs to nuclear power stations. Findings by Positive Technologies researchers are used for updating the MaxPatrol knowledge base and for development of security solutions including PT Application Firewall, PT Application Inspector, MaxPatrol. These products allow securing web applications, evaluating network protection, blocking attacks in real time, ensuring compliance with industry and national standards, and training security specialists. Positive Technologies is the organizer of the annual Positive Hack Days international forum and security competition.