ESB-2017.1720 - [Win] OSIsoft PI Coresight, ProcessBook and ActiveView: Multiple vulnerabilities 2017-07-12

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1720
                      OSIsoft Product Vulnerabilities
                               12 July 2017

===========================================================================

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

Product:          OSIsoft PI Coresight
                  OSIsoft PI ProcessBook
                  OSIsoft PI ActiveView
Publisher:        ICS-CERT
Operating System: Windows
Impact/Access:    Execute Arbitrary Code/Commands -- Remote/Unauthenticated      
                  Cross-site Request Forgery      -- Remote with User Interaction
Resolution:       Patch/Upgrade
CVE Names:        CVE-2017-9641  

Reference:        https://ics-cert.us-cert.gov/advisories/ICSA-17-192-05
                  https://ics-cert.us-cert.gov/advisories/ICSA-17-192-04

- --------------------------BEGIN INCLUDED TEXT--------------------

Advisory (ICSA-17-192-05)

OSIsoft PI ProcessBook and PI ActiveView

Original release date: July 11, 2017

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 Security 
(DHS) does not provide any warranties of any kind regarding any information 
contained within. DHS does not endorse any commercial product or service, 
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For 
more information about TLP, see http://www.us-cert.gov/tlp/.

CVSS v3 High

ATTENTION: Remotely exploitable/low skill level to exploit.

Vendor: OSIsoft

Equipment: PI ProcessBook and PI ActiveView

Vulnerability: Using components with known vulnerabilities

AFFECTED PRODUCTS

OSIsoft reports that the vulnerability affects the following PI products:

PI ProcessBook 2015 R2 (3.6.0) and earlier, and

PI ActiveView 2015 R2 (3.6.0) and earlier.

IMPACT

Successful exploitation of this vulnerability may allow an attacker to 
remotely access arbitrary code.

MITIGATION

OSIsoft recommends that users upgrade installations to PI ProcessBook 2015 R2
SP1 (3.6.1) and PI ActiveView 2015 R2 SP1 (3.6.1). The upgrade removes the 
vulnerable components and installs Visual Basic for Applications (VBA) 7.1, 
which is backwards compatible, to maintain scripting capabilities. The upgrade
does not completely remove all VBA 6.5 components in case other applications 
utilize them. If no Microsoft Office or third-party programs require VBA 6.5,
remove it after the upgrade.

For more information about this vulnerability, how to obtain the new version,
or how to install the new version, please see OSIsoft's alert, AL00321, on 
their web site at the following location:

https://techsupport.osisoft.com/Troubleshooting/Alerts/AL00321 (link is 
external)

NCCIC/ICS-CERT recommends that users take defensive measures to minimize the 
risk of exploitation of this vulnerability. Specifically, users should:

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 VPNs may have vulnerabilities and should be
updated to the most current version available. Also recognize that VPN is only
as secure as the connected devices.

ICS-CERT reminds organizations to perform proper impact analysis and risk 
assessment prior to deploying defensive measures.

ICS-CERT 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 in the ICS-CERT Technical Information Paper, 
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation 
Strategies, that is available for download from the ICS-CERT web site.

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

No known public exploits specifically target this vulnerability.

VULNERABILITY OVERVIEW

Affected versions contain a third-party component which contains a 
vulnerability.

The issue is rated "High" (CVSS: 7.0-10) by OSIsoft.

RESEARCHER

OSIsoft reported this vulnerability to ICS-CERT.

BACKGROUND

Critical Infrastructure Sectors: Multiple Sectors

Countries/Areas Deployed: Worldwide

Company Headquarters Location: United States

Contact Information

For any questions related to this report, please contact ICS-CERT at:

Email: ics-cert@hq.dhs.gov (link sends e-mail)

Toll Free: 1-877-776-7585

International Callers: (208) 526-0900

For industrial control systems security information and incident reporting: 
http://ics-cert.us-cert.gov

ICS-CERT continuously strives to improve its products and services. You can 
help by choosing one of the links below to provide feedback about this 
product.

- ---

Advisory (ICSA-17-192-04)

OSIsoft PI Coresight

Original release date: July 11, 2017

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 Security 
(DHS) does not provide any warranties of any kind regarding any information 
contained within. DHS does not endorse any commercial product or service, 
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For 
more information about TLP, see http://www.us-cert.gov/tlp/.

CVSS v3 7.1

ATTENTION: Remotely exploitable/low skill level to exploit.

Vendor: OSIsoft

Equipment: PI Coresight

Vulnerability: Cross-Site Request Forgery

AFFECTED PRODUCTS

OSIsoft reports that the vulnerability affects the following PI Coresight 
products:

PI Coresight 2016 R2 and earlier versions.

IMPACT

Successful exploitation of this vulnerability may allow access to the PI 
System resulting in unauthorized viewing or alteration of PI System data.

MITIGATION

OSIsoft recommends that users upgrade to PI Vision 2017 or greater to mitigate
this vulnerability.

For more information about this vulnerability, how to obtain the new version,
or how to install the new version, please see OSIsoft's alert, AL00320, on 
their web site at the following location:

https://techsupport.osisoft.com/Troubleshooting/Alerts/AL00320 (link is 
external)

NCCIC/ICS-CERT recommends that users take defensive measures to minimize the 
risk of exploitation of this vulnerability. Specifically, users should:

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 VPNs may have vulnerabilities and should be
updated to the most current version available. Also recognize that VPN is only
as secure as the connected devices.

ICS-CERT reminds organizations to perform proper impact analysis and risk 
assessment prior to deploying defensive measures.

ICS-CERT 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 in the ICS-CERT Technical Information Paper, 
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation 
Strategies, that is available for download from the ICS-CERT web site.

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

No known public exploits specifically target this vulnerability.

VULNERABILITY OVERVIEW

CROSS-SITE REQUEST FORGERY (CSRF) CWE-352

This product contains a cross-site request forgery vulnerability that may 
allow access to the PI system.

CVE-2017-9641 has been assigned to this vulnerability. A CVSS v3 base score of
7.1 has been calculated; the CVSS vector string is 
(AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L).

RESEARCHER

OSIsoft reported this vulnerability to ICS-CERT.

BACKGROUND

Critical Infrastructure Sectors: Multiple Sectors

Countries/Areas Deployed: Worldwide

Company Headquarters Location: United States

Contact Information

For any questions related to this report, please contact ICS-CERT at:

Email: ics-cert@hq.dhs.gov (link sends e-mail)

Toll Free: 1-877-776-7585

International Callers: (208) 526-0900

For industrial control systems security information and incident reporting: 
http://ics-cert.us-cert.gov

ICS-CERT continuously strives to improve its products and services. You can 
help by choosing one of the links below to provide feedback about this 
product.

- --------------------------END INCLUDED TEXT--------------------

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