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AUSCERT External Security Bulletin Redistribution
A vulnerability has been identified in SpiderControl SCADA Web Server
8 September 2017
AusCERT Security Bulletin Summary
Product: SpiderControl SCADA Web Server
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
CVE Names: CVE-2017-12728
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SpiderControl SCADA Web Server
Original release date: September 07, 2017
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CVSS v3 5.3
ATTENTION: Low skill level to exploit
Equipment: SCADA Web Server
Vulnerability: Improper Privilege Management
The following versions of SCADA Web Server, a software management platform,
SCADA Web Server Version 2.02.0007 and prior.
Successful exploitation of this vulnerability could allow authenticated system
users to escalate their privileges under certain conditions.
SpiderControl has produced a new version of the software (Version 2.02.0100)
that can be found at the following link. A login is required to view the
NCCIC/ICS-CERT recommends that users take defensive measures to minimize the
risk of exploitation of this vulnerability.
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.
In addition, ICS-CERT 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 for more information on avoiding
Refer to Avoiding Social Engineering and Phishing Attacks for more information
on social engineering attacks.
No known public exploits specifically target this vulnerability. This
vulnerability is not remotely exploitable.
IMPROPER PRIVILEGE MANAGEMENT CWE-269
Authenticated, non-administrative local users are able to alter service
executables with escalated privileges which could allow an attacker to execute
arbitrary code under the context of the current system services.
CVE-2017-12728 has been assigned to this vulnerability. A CVSS v3 base score
of 5.3 has been assigned; the CVSS vector string is
Karn Ganeshen reported this vulnerability to ICS-CERT.
Critical Infrastructure Sector: Critical Manufacturing
Countries/Areas Deployed: Europe
Company Headquarters Location: Switzerland
For any questions related to this report, please contact ICS-CERT at:
Toll Free: 1-877-776-7585
International Callers: (208) 526-0900
For industrial control systems security information and incident reporting:
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
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