Schneider Electric IGSS Mobile Improper Certificate Validation, Plaintext Storage of a (CVE-2017-9969 CVE-2017-9968 )

# ICS Advisory (ICSA-18-046-03) ## Schneider Electric IGSS Mobile Original release date: February 15, 2018 [Print Document](javascript:window.print\(\);) [Tweet](https://twitter.com/share?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2FICSA-18-046-03) [Like Me](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2FICSA-18-046-03) [Share](http://www.addthis.com/bookmark.php?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2FICSA-18-046-03) ### Legal Notice All information products included in [https://us-cert.gov/ics](/ics) 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 [https://www.us- cert.gov/tlp/](/tlp/). * * * ### **CVSS v3 6.4** **ATTENTION:** Locally exploitable/low skill level to exploit. **Vendor:** Schneider Electric **Equipment:** IGSS Mobile **Vulnerabilities:** Improper Certificate Validation, Plaintext Storage of a Password ## AFFECTED PRODUCTS Schneider Electric reports that the vulnerabilities affect the following IGSS Mobile products: * IGSS Mobile for Android, version 3.01 and all versions prior, and * IGSS Mobile for iOS, version 3.01 and all versions prior. ## IMPACT Successful exploitation of these vulnerabilities could allow an attacker to execute a man-in-the-middle attack. In addition, passwords can be accessed by unauthorized users. ## MITIGATION An update for Android with the fix for these vulnerabilities is available for download on Google Play: <https://play.google.com/store/apps/details?id=dk.schneiderelectric.igssmobile> An update for iOS with the fix for these vulnerabilities is available on Apple Store: <https://itunes.apple.com/dk/app/igss-mobile/id871698051> For more information on these vulnerabilities and associated patch, please see Schneider Electric's security notification SEVD-2018-039-02 on their website: <https://www.schneider-electric.com/en/download/document/SEVD-2018-039-02/> 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](/ics/content/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.](/sites/default/files/recommended_practices/NCCIC_ICS- CERT_Defense_in_Depth_2016_S508C.pdf) Additional mitigation guidance and recommended practices are publicly available in the NCCIC Technical Information Paper, [ICS-TIP-12-146-01B-- Targeted Cyber Intrusion Detection and Mitigation Strategies](/ics/tips/ICS- TIP-12-146-01B), that is available for download from the [ICS-CERT website](/ics/). 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. In addition, NCCIC recommends that users take the following measures to protect themselves from social engineering attacks: * Do not click web links or open unsolicited attachments in email messages. * Refer to [Recognizing and Avoiding Email Scams](/reading_room/emailscams_0905.pdf) for more information on avoiding email scams. * Refer to [Avoiding Social Engineering and Phishing Attacks](/cas/tips/ST04-014.html) for more information on social engineering attacks. No known public exploits specifically target these vulnerabilities. ## VULNERABILITY OVERVIEW ## [IMPROPER CERTIFICATE VALIDATION CWE-295](https://cwe.mitre.org/data/definitions/295.html) IGSS Mobile app lacks certificate pinning during the TLS/SSL connection establishing process. This issue could allow an attacker to execute a man-in- the-middle attack. [CVE-2017-9968](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-9968) has been assigned to this vulnerability. A CVSS v3 base score of 6.4 has been calculated; the CVSS vector string is ([AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N)). ## [PLAINTEXT STORAGE OF A PASSWORD CWE-256](https://cwe.mitre.org/data/definitions/256.html) IGSS Mobile app passwords are stored in clear-text in the configuration file. [CVE-2017-9969](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-9969) has been assigned to this vulnerability. A CVSS v3 base score of 6.0 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N)). ## RESEARCHER Alexander Bolshev (IOActive) and Ivan Yushkevich (Embedi) reported these vulnerabilities to Schneider Electric. ## BACKGROUND **Critical Infrastructure Sectors:** Commercial Facilities, Critical Manufacturing, Energy **Countries/Areas Deployed:** Worldwide **Company Headquarters Location:** France