ESB-2018.0486 - [Apple iOS][Android] Schneider Electric IGSS Mobile: Multiple vulnerabilities 2018-02-19

Printable version
PGP/GPG verifiable version

Hash: SHA256

             AUSCERT External Security Bulletin Redistribution

              Schneider Electric IGSS Mobile Security Updates
                             19 February 2018


        AusCERT Security Bulletin Summary

Product:           Schneider Electric IGSS Mobile
Publisher:         ICS-CERT
Operating System:  Apple iOS
Impact/Access:     Provide Misleading Information -- Remote with User Interaction
                   Access Confidential Data       -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-9969 CVE-2017-9968 

Original Bulletin:

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

Advisory (ICSA-18-046-03)

Schneider Electric IGSS Mobile

Original release date: February 15, 2018

Legal Notice

All information products included in 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

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


Schneider Electric reports that the vulnerabilities affect the following IGSS
Mobile products:

  o IGSS Mobile for Android, version 3.01 and all versions prior, and
  o IGSS Mobile for iOS, version 3.01 and all versions prior.


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.


An update for Android with the fix for these vulnerabilities is available for
download on Google Play:
(link is external)

An update for iOS with the fix for these vulnerabilities is available on Apple
(link is external)

For more information on these vulnerabilities and associated patch, please see
Schneider Electric's security notification SEVD-2018-039-02 on their website: 
(link is external)

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

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:

  o Do not click web links or open unsolicited attachments in email messages.
  o Refer to Recognizing and Avoiding Email Scams for more information on
    avoiding email scams.
  o Refer to Avoiding Social Engineering and Phishing Attacks for more
    information on social engineering attacks.

No known public exploits specifically target these vulnerabilities.



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 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


IGSS Mobile app passwords are stored in clear-text in the configuration file.

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


Alexander Bolshev (IOActive) and Ivan Yushkevich (Embedi) reported these
vulnerabilities to Schneider Electric.


Critical Infrastructure Sectors: Commercial Facilities, Critical Manufacturing,

Countries/Areas Deployed: Worldwide

Company Headquarters Location: France

Contact Information

For any questions related to this report, please contact the NCCIC at:

Email: (link sends e-mail)
Toll Free: 1-888-282-0870

For industrial control systems cybersecurity information: 
or incident reporting:

- --------------------------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
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. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

Australian Computer Emergency Response Team
The University of Queensland
Qld 4072

Internet Email:
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.


« Back to bulletins