ICS Advisory

Ecava Sdn Bhd IntegraXor Project Directory Information Disclosure Vulnerability

Last Revised
Alert Code
ICSA-14-008-01

OVERVIEW

NCCIC/ICS-CERT received a report from the Zero Day InitiativeEcava IntegraXor Project Directory Information Disclosure Vulnerability, http://www.zerodayinitiative.com/advisories/ZDI-13-277/, Web site last accessed January 08, 2014. (ZDI) regarding a project directory information disclosure vulnerability in the Ecava Sdn Bhd IntegraXor application. This vulnerability was reported to ZDI by security researcher “Alphazorx aka technically.screwed.” Ecava Sdn Bhd has produced an update that mitigates this vulnerability.

This vulnerability could be exploited remotely.

AFFECTED PRODUCTS

The following Ecava Sdn Bhd IntegraXor versions are affected:

  • Ecava Sdn Bhd IntegraXor - 4.1.4360 and earlier.

IMPACT

An attacker can use a crafted URL to download certain files in the project directory, thus compromising the confidentiality of the system.

Impact to individual organizations depends on many factors that are unique to each organization. NCCIC/ICS-CERT recommends that organizations evaluate the impact of this vulnerability based on their operational environment, architecture, and product implementation.

BACKGROUND

Ecava Sdn Bhd is a Malaysia-based software development company that provides the IntegraXor SCADA product. Ecava Sdn Bhd specializes in factory and process automation solutions.

The affected product, IntegraXor, is a suite of tools used to create and run a Web-based human‑machine interface for a SCADA system. IntegraXor is currently used in several areas of process control in 38 countries with the largest installation based in the United Kingdom, United States, Australia, Poland, Canada, and Estonia.

VULNERABILITY CHARACTERIZATION

VULNERABILITY OVERVIEW

UNAUTHORIZED FILE ACCESSCWE-529: Exposure of Access Control List Files to an Unauthorized Control Sphere,  http://cwe.mitre.org/data/definitions/529.html, Web site last accessed January 08, 2014.

IntegraXor does not properly restrict access to files in the project directory. An attacker may use a specially crafted URL to download project backup files from the system project directory without any authentication.

CVE-2014-0752NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-0752, NIST uses this advisory to create the CVE Web site report. This Web site will be active sometime after publication of this advisory. has been assigned to this vulnerability. A CVSS v2 base score of 7.5 has been assigned; the CVSS vector string is (AV:N/AC:L/Au:N/C:P/I:P/A:P).CVSS Calculator, http://nvd.nist.gov/cvss.cfm?version=2&vector=AV:N/AC:L/Au:N/C:P/I:P/A:P, Web site last accessed January 08, 2014.

VULNERABILITY DETAILS

EXPLOITABILITY

This vulnerability could be exploited remotely. 

EXISTENCE OF EXPLOIT

No known public exploits specifically target this vulnerability.

DIFFICULTY

An attacker with a low skill would be able to exploit this vulnerability.

MITIGATION

Ecava Sdn Bhd has issued a customer notification that details this vulnerability and provides mitigations to its customers. Ecava Sdn Bhd recommends users download and install the update, IntegraXor SCADA Server 4.1.4369, from their support Web site:

http://www.integraxor.com/download/beta.msi?4.1.4369

For additional information, please see Ecava’s vulnerability note:

http://www.integraxor.com/blog/category/security/vulnerability-note/

NCCIC/ICS-CERT encourages asset owners to take additional defensive measures to protect against this and other cybersecurity risks.

  • Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.
  • Locate control system networks and remote devices behind firewalls, and isolate them from the business network.
  • When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing that VPN is only as secure as the connected devices.

NCCIC/ICS-CERT also provides a section for control systems security recommended practices on the NCCIC/ICS-CERT Web page at: http://ics-cert.us-cert.gov/content/recommended-practices. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. NCCIC/ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

Additional mitigation guidance and recommended practices are publicly available in the NCCIC/ICS-CERT Technical Information Paper, ICS-TIP-12-146-01B—Targeted Cyber Intrusion Mitigation Strategies,Targeted Cyber Intrusion Detection and Mitigation Strategies, http://ics-cert.us-cert.gov/tips/ICS-TIP-12-146-01B, Web site last accessed January 08, 2014. that is available for download from the NCCIC/ICS-CERT Web site (http://ics-cert.us-cert.gov/).

Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC/ICS-CERT for tracking and correlation against other incidents. 

This product is provided subject to this Notification and this Privacy & Use policy.

Vendor

Ecava