Vulnerability CVE-2015-1356


Published: 2015-02-17   Modified: 2015-02-18

Description:
Siemens SIMATIC STEP 7 (TIA Portal) before 13 SP1 determines a user's privileges on the basis of project-file fields that lack integrity protection, which allows remote attackers to establish arbitrary authorization data via a modified file.

See advisories in our WLB2 database:
Topic
Author
Date
High
Siemens SIMATIC TIA Portal (Step 7/WinCC) fixes
SCADA StrangeLov...
17.02.2015

Type:

CWE-264

(Permissions, Privileges, and Access Controls)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.4/10
6.4/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Siemens -> Simatic step 7 

 References:
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-234789.pdf

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