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             AUSCERT External Security Bulletin Redistribution

                              ESB-2019.1954.2
       Advisory (ICSA-19-150-01) AVEVA Vijeo Citect and CitectSCADA
                                5 June 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Vijeo Citect
                   CitectSCADA
Publisher:         ICS-CERT
Operating System:  Windows
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-10981  

Original Bulletin: 
   https://ics-cert.us-cert.gov/advisories/ICSA-19-150-01

Revision History:  June  5 2019: Updated product tag
                   May  31 2019: Initial Release

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Advisory (ICSA-19-150-01)

AVEVA Vijeo Citect and CitectSCADA

Original release date: May 30, 2019

Legal Notice

All information products included in http://ics-cert.us-cert.gov are
provided"as is" for informational purposes only. The Department of Homeland
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For more information about TLP, see http://www.us-cert.gov/tlp/ .

1. EXECUTIVE SUMMARY

  o CVSS v3 6.5
  o ATTENTION: Low skill level to exploit
  o Vendor: AVEVA
  o Equipment: Vijeo Citect and CitectSCADA
  o Vulnerability: Insufficiently Protected Credentials

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow a locally
authenticated user to obtain Citect user credentials.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of Vijeo Citect and CitectSCADA, a Supervisory Control
and Data Acquisition (SCADA) software, are affected:

  o Vijeo Citect 7.30 and 7.40
  o CitectSCADA 7.30 and 7.40

3.2 VULNERABILITY OVERVIEW

3.2.1 INSUFFICIENTLY PROTECTED CREDENTIALS CWE-522

A vulnerability has been identified that may allow an authenticated local user
access to Citect user credentials.

CVE-2019-10981 has been assigned to this vulnerability. A CVSS v3 base score of
6.5 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:L/UI:N/S:C/
C:H/I:N/A:N ).

3.3 BACKGROUND

  o CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities, Critical
    Manufacturing, Energy
  o COUNTRIES/AREAS DEPLOYED: Worldwide
  o COMPANY HEADQUARTERS LOCATION: United Kingdom

3.4 RESEARCHER

VAPT Team, C3i Center, and IIT Kanpur reported this vulnerability to AVEVA.

4. MITIGATIONS

AVEVA recommends all affected users download and upgrade to CitectSCADA 2018 as
soon as possible. Available at (login required):

https://softwaresupportsp.schneider-electric.com/#/producthub/detailsid=51141

AVEVA's Security Advisory can be viewed at:

https://sw.aveva.com/hubfs/assets-2018/pdf/security-bulletin/
SecurityAdvisory_LFSec136.pdf

NCCIC recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability. Specifically, users should:

  o Ensure that least privilege is implemented throughout the system.

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

NCCIC also provides a section for control systems security recommended
practices on the ICS-CERT web page. Several recommended practices are available
for reading and download, including Improving Industrial Control Systems
Cybersecurity with Defense-in-Depth Strategies .

Additional mitigation guidance and recommended practices are publicly available
on the ICS-CERT website in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .

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

No known public exploits specifically target this vulnerability. This
vulnerability is not exploitable remotely.

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