Vulnerability CVE-2016-8672
Published: 2016-11-23

Description:
The integrated web server on Siemens SIMATIC CP 343-1 Advanced prior to version 3.0.53, SIMATIC CP 443-1 Advanced prior to version 3.2.17, SIMATIC S7-300 CPU, and SIMATIC S7-400 CPU devices does not set the secure flag for unspecified cookies in an https session, which makes it easier for remote attackers to capture these cookies by intercepting their transmission within an http session.

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Siemens -> Simatic cp 343-1 firmware 
Siemens -> Simatic cp 443-1 firmware 
Siemens -> Simatic s7 300 cpu firmware 
Siemens -> Simatic s7 400 cpu firmware 

 References:
http://www.securityfocus.com/bid/94460
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-603476.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-16-327-02
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