CVE-2017-12069

An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before 2017-03-21 and Local Discovery Server (LDS) before 1.03.367. Among the affected products are Siemens SIMATIC PCS7 (All versions V8.1 and earlier), SIMATIC WinCC (All versions < V7.4 SP1), SIMATIC WinCC Runtime Professional (All versions < V14 SP1), SIMATIC NET PC Software, and SIMATIC IT Production Suite. By sending specially crafted packets to the OPC Discovery Server at port 4840/tcp, an attacker might cause the system to access various resources chosen by the attacker.

CVSS v3.0 8.2 HIGH
CVSS v2.0 6.4 MEDIUM

8.2^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdf	Vendor Advisory
https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12069.pdf	Patch Vendor Advisory
http://www.securityfocus.com/bid/100559	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039510

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:siemens:wincc::::::::
	cpe:2.3:a:siemens:simatic_pcs7::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:ocpfoundation:ua_.net::::::::
	cpe:2.3:a:ocpfoundation:local_discovery_server::::::::

Information

Published : 2017-08-30 12:29

Updated : 2017-10-05 18:29

NVD link : CVE-2017-12069

Mitre link : CVE-2017-12069

JSON object : View

CWE

CWE-611

Improper Restriction of XML External Entity Reference

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Products Affected

siemens

wincc
simatic_pcs7

ocpfoundation

ua_.net
local_discovery_server

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