CISA Advisory: Automated Logic WebCTRL Premium Server

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1. EXECUTIVE SUMMARY

• CVSS v4 10.0
• ATTENTION: Exploitable remotely/low attack complexity
• Vendor: Automated Logic
• Equipment: WebCTRL Premium Server
• Vulnerabilities: Unrestricted Upload of File with Dangerous Type, URL Redirection to Untrusted Site (‘Open Redirect’)

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an unauthenticated remote attacker to execute arbitrary commands on the server hosting WebCTRL or redirect legitimate users to malicious sites.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following Automated Logic products are affected:

• Automated Logic WebCTRL® Server : Version 7.0
• Carrier i-Vu: Version 7.0
• Automated Logic SiteScan Web: Version 7.0
• Automated Logic WebCTRL for OEMs: Version 7.0

3.2 Vulnerability Overview

3.2.1 UNRESTRICTED UPLOAD OF FILE WITH DANGEROUS TYPE CWE-434

A vulnerability in Automated Logic WebCTRL 7.0 allows an unauthenticated user to upload files of dangerous types without restrictions, which could lead to remote command execution.

CVE-2024-8525 has been assigned to this vulnerability. A CVSS v3.1 base score of 10.0 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2024-8525. A base score of 10.0 has been calculated; the CVSS vector string is (CVSS4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H).

3.2.2 URL REDIRECTION TO UNTRUSTED SITE (‘OPEN REDIRECT’) CWE-601

A vulnerability in Automated Logic WebCTRL 7.0 could allow an attacker to send a maliciously crafted URL, which when visited by an authenticated WebCTRL user, could result in the redirection of the user to a malicious webpage via “index.jsp”

CVE-2024-8526 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2024-8526. A base score of 5.9 has been calculated; the CVSS vector string is (CVSS4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N).

3.3 BACKGROUND

• CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
• COUNTRIES/AREAS DEPLOYED: Worldwide
• COMPANY HEADQUARTERS LOCATION: United States of America

3.4 RESEARCHER

Jaryl Low, Thuy D. Nguyen, and Cynthia E. Irvine reported these vulnerabilities to CISA.

4. MITIGATIONS

Automated Logic has recommended the following:

• For CVE-2024-8525, a software update is available on the authorized dealer support site. Although a software update is available for this issue, the last support date for v7.0 was 1/27/2023 and it is recommended that customers upgrade their software to the latest supported version.
• For CVE-2024-8526, the vulnerability was fixed at version 8.0 for all impacted products.
• Additionally, Customers are encouraged to follow Automated Logic’s [Security Best Practices Checklists for Building Automation Systems (BAS)](https://www.automatedlogic.com/en/media/Security Best Practices for a WebCTRL v8.0 system-522_tcm702-168128.pdf) to ensure alignment with best practices installation guidelines.

CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:

• Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
• Locate control system networks and remote devices behind firewalls and isolating them from business networks.
• When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.

5. UPDATE HISTORY

• November 21, 2024: Initial Publication