Vulnerability CVE-2018-8840
Published: 2018-04-18

Description:
A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or InTouch Machine Edition 2017 v8.1 and prior versions during a tag, alarm, or event related action such as read and write, which may allow remote code execution.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Industrial-software -> Intouch machine edition 2017 
Indusoft -> Web studio 

 References:
http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000125/
http://www.securityfocus.com/bid/103949
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-01
https://www.tenable.com/security/research/tra-2018-07
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