Description
Denial of service (DOS) in OPC UA applications of SAP Plant Connectivity.
1.The SAP Plant Connectivity OPC UA server (and, to some extent, the OPC UA clients) allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service by using XML XXE vulnerability.
Some well-known impacts of Denial of Service vulnerability are –
- long response delays and service interruptions, thus degrading the service quality experienced by legitimate users
- direct impact on availability
CVE Details : NIST ID CVE-2018-12585
CVSS Information
CVSS v3 Base Score: 8.2 / 10
CVSS v3 Base Vector:
|
AV : Attack Vector (Related exploit range) |
Network (N) |
|
AC : Attack Complexity (Required attack complexity) |
Low (L) |
|
PR : Privileges Required (Level of privileges needed to exploit) |
None (N) |
|
UI : User Interaction (Required user participation) |
None (N) |
|
S : Scope (Change in scope due to impact caused to components beyond the vulnerable component) |
Unchanged (U) |
|
C : Impact to Confidentiality |
Low (L) |
|
I : Impact to Integrity |
None (N) |
|
A : Impact to Availability |
High (H) |
SAP provides this CVSS v3 base score as an estimate of the risk posed by the issue reported in this note. This estimate does not take into account your own system configuration or operational environment. It is not intended to replace any risk assessments you are advised to conduct when deciding on the applicability or priority of this SAP security note. For more information, see the FAQ section at https://support.sap.com/securitynotes.
2.The SAP Plant Connectivity OPC UA server (and, to some extent, the OPC UA clients) allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service by stack overflow vulnerability.
CVE Details : NIST ID CVE-2018-12086
CVSS Information
CVSS v3 Base Score: 7.5 / 10
CVSS v3 Base Vector: NLNN | U | NNH
Available fix and Supported packages
- PLANTCONNECT | 15.0 | 15.0
- PLANTCONNECT | 15.1 | 15.1
- PLANTCONNECT | 15.2 | 15.2
- PLANT CONNECTIVITY 15.0 | SP006 | 000011
- PLANT CONNECTIVITY 15.0 | SP007 | 000000
- PLANT CONNECTIVITY 15.1 | SP006 | 000008
- PLANT CONNECTIVITY 15.1 | SP007 | 000000
- PLANT CONNECTIVITY 15.2 | SP002 | 000000
Affected component
- MFG-PCO
SAP Plant Connectivity
CVSS
Score: 0
PoC
Detailed vulnerability information added to RedRays Security Platform. Contact [email protected] for details.
URL
https://launchpad.support.sap.com/#/notes/2674215
