Vulnerability CVE-2017-12732
Published: 2017-10-05   Modified: 2017-10-06

Description:
A Stack-based Buffer Overflow issue was discovered in GE CIMPLICITY Versions 9.0 and prior. A function reads a packet to indicate the next packet length. The next packet length is not verified, allowing a buffer overwrite that could lead to an arbitrary remote code execution.

Type:

CWE-119

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

CVSS2 => (AV:A/AC:M/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.4/10
4.4/10
Exploit range
Attack complexity
Authentication
Adjacent network
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
GE -> Intelligent platforms proficy hmi/scada cimplicity 

 References:
http://www.securityfocus.com/bid/101174
https://ics-cert.us-cert.gov/advisories/ICSA-17-278-01
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