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[ICS] SpiderControl SCADA MicroBrowser – Stack Buffer Overflow Vulnerability

2017-09-01 11:20
Vendor: SpiderControl
Equipment: SCADA MicroBrowser
Vulnerability: Stack-based Buffer Overflow

Advisory URL:
https://ipositivesecurity.com/2017/09/01/ics-spidercontrol-
scada-microbrowser-stack-buffer-overflow/

ICS-CERT Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-17-234-02

ZDI Advisory
http://www.zerodayinitiative.com/advisories/ZDI-17-694/

CVE-ID
CVE-2017-12707

------------------------
AFFECTED PRODUCTS
------------------------
The following versions of SCADA MicroBrowser, a software management
platform, are affected:

SCADA MicroBrowser Versions 1.6.30.144 and prior.

------------------------
BACKGROUND
------------------------
Critical Infrastructure Sector: Critical Manufacturing
Countries/Areas Deployed: Europe
Company Headquarters Location: Switzerland

------------------------
IMPACT
------------------------
Successful exploitation of this vulnerability could allow an attacker to
gain access to the system, manipulate system files, and potentially render
the system unavailable.

------------------------
VULNERABILITY OVERVIEW
------------------------

STACK-BASED BUFFER OVERFLOW CWE-121
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of SpiderControl SCADA MicroBrowser. User
interaction is required to exploit this vulnerability in that the target
must visit a malicious page or open a malicious file.

The specific flaw exists within processing of the StaticHTMLTagsFileName
tag. The issue results from the lack of proper validation of the length of
user-supplied data prior to copying it to a fixed-length stack-based
buffer. An attacker can leverage this vulnerability to execute arbitrary
code under the context of the current process

CVE-2017-12707 has been assigned to this vulnerability. A CVSS v3 base
score of 7.3 has been assigned; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).



+++++
Best Regards,
Karn Ganeshen

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Source: 45/guA/7102/erusolcsidlluf/gro.stsilces

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