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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.2181 OSIsoft PI Data Archive Server Vulnerabilities 20 August 2015 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: OSIsoft PI Data Archive Server Publisher: US-CERT Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Increased Privileges -- Existing Account Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Unauthorised Access -- Remote with User Interaction Resolution: Patch/Upgrade Original Bulletin: https://ics-cert.us-cert.gov/advisories/ICSA-15-225-01 - --------------------------BEGIN INCLUDED TEXT-------------------- Advisory (ICSA-15-225-01) OSIsoft PI Data Archive Server Vulnerabilities Original release date: August 13, 2015 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/. OVERVIEW OSIsoft has identified 56 vulnerabilities in its own PI System software. OSIsoft has produced a new version of Data Archive (Version 3.4.395.64) to mitigate these issues. Some of these vulnerabilities could be exploited remotely. AFFECTED PRODUCTS OSIsoft reports that the vulnerabilities affect the following versions: All versions of the PI Data Archive prior to Version 3.4.395.64. IMPACT An attacker who exploits these vulnerabilities could create a denial-of-service condition or allow remote code execution on the Windows OS running this software. VULNERABILITY CHARACTERIZATION The issues were rated by OSIsoft using the Common Vulnerability Scoring System (CVSS)a as follows: 21 high (CVSS: 6.8-10), 27 medium (CVSS: 3.4-6.7), and 8 low (CVSS: 0-3.3). The high-level security issues that are addressed in PI Data Archive 2015 include: CWE-20b: Improper Input Validation (6 issues), CWE-250c: Execution with Unnecessary Privileges (3 issues), CWE-200d: Information Exposure (1 issue), CWE-476e: NULL Pointer Dereference / Denial of Service (13 issues), and CWE-384f: Session Management (2 issues). These security-related issues were discovered in PI Data Archive 2012 as part of OSIsofts SDL process. VULNERABILITY DETAILS EXPLOITABILITY Some of these vulnerabilities could be exploited remotely. EXISTENCE OF EXPLOIT No known public exploits specifically target these vulnerabilities. MITIGATION OSIsoft recommends that users upgrade to Data Archive 3.4.395.64 released June 25, 2015. Users may download the latest software version from the following web site: https://techsupport.osisoft.com/Downloads/All-Downloads/PI-Server/PI-Dat... Users may download release notes for the latest software version from the following web site: https://techsupport.osisoft.com/Downloads/All-Downloads/PI-Server/PI-Dat... For more information regarding this vulnerability and the recommended mitigation plan, please see OSIsofts security bulletin titled Advisory: PI Server 2015 Multiple Security Updates at the following location: https://techsupport.osisoft.com/Troubleshooting/Alerts/ Users may also visit the OSIsoft technical support web site: https://techsupport.osisoft.com/ BACKGROUND OSIsoft is a US-based company that maintains its headquarters in San Leandro, California, with operations globally. According to OSIsoft, Data Archive is the core server technology used in the PI System for real time data storage and distribution of instrument data. The PI System uses this core server technology to manage and enhance stored instrument data for retrieval, analysis, and visualization. According to OSIsoft, PI Asset Framework is deployed in several critical infrastructure sectors. OSIsoft estimates that these products are used worldwide. HELPFUL DOCUMENTATION Severity Matrix is as follows: Low CVSS 0-3.3 Medium CVSS 3.4-6.7 High CVSS 6.8-10 NCCIC/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 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. 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 (http://ics-cert.us-cert.gov/). 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. a. CVSS Calculator, https://nvd.nist.gov/cvss.cfm?adv&calculator&version=2, web site last accessed August 13, 2015. b. CWE-20: Improper Input Validation, http://cwe.mitre.org/data/definitions/20.html, web site last accessed August 13, 2015. c. CWE-250: Execution with Unnecessary Privileges, https://cwe.mitre.org/data/definitions/250.html, web site last accessed August 13, 2015. d. CWE-200: Information Exposure, https://cwe.mitre.org/data/definitions/200.html, web site last accessed August 13, 2015. e. CWE-400: Uncontrolled Resource Consumption ('Resource Exhaustion'), https://cwe.mitre.org/data/definitions/400.html, web site last accessed August 13, 2015. f. CWE-384: Session Fixation, https://cwe.mitre.org/data/definitions/384.html, web site last accessed August 13, 2015. Contact Information For any questions related to this report, please contact ICS-CERT at: Email: ics-cert@hq.dhs.gov 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-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBVdZjD36ZAP0PgtI9AQLxOQ/8CBtJ3owdLbmtr/JnaMLSQRw16ZhUXT8D 14T3zF4mpmaIUlpEUMLcU69W7v22lM3vMM/VazhSBV2WkXz/GG+duCQtnGgTHVmN nb2C69s3SWjUvntGnGkeY+4CLBRAuRTvPML+AA5J9mOsDfbl/bZEo/a3UGwQs7M6 5cVI5cOvzVgN5KhVLfXOpnIuA3kX4A+ZNU5f6u7J8BkSU0+q38zeyGzys/Xop48+ zFjwn2Vd7UV15sDtA9zP4O1Fmgi+qj9oc3Mx/vXSLDjl8Fe6sf39qAFtO6qk2oGi VweMiBegQRaOPlv+4LmY63PMoJAKvo1veUWSAjtekrkgJ+eFkz+SwGVg1CNG+ESv DC81V+dXdNb2ZSX4Wfj++Zu5ZLZPol9t2B/i9+ngM1twKl4rbcoR5Sbv2bqSMT7A fakedwjdi3j/MXQx2eFLPvY8CnrN0Q5dBbVZSKiry4av11fiLVw6xlqFdrcjAHlv hFsCgifV1nx94bD5VSYZIGfJDVYSNVuiBobjInuwxOu3fMhAkT3BtJtN692/yC+E mjiyJ3GN//+Zdeko49tpphKYK0RAeoBeYF3+ukkj8VyH7lcnutN4cFA6TXX//71X OJG3A5qgpOC/2KuzoahF0dXzigZW4JWawvTHrrP5/HlaIl/p9hri2wgKuPYIC6Bj 16mm80wPCLs= =9Z2q -----END PGP SIGNATURE-----