Vulnerability CVE-2018-4832


Published: 2018-04-24

Description:
A vulnerability has been identified in OpenPCS 7 V7.1 and earlier (All versions), OpenPCS 7 V8.0 (All versions), OpenPCS 7 V8.1 (All versions < V8.1 Upd5), OpenPCS 7 V8.2 (All versions < V8.2 SP1), OpenPCS 7 V9.0 (All versions < V9.0 Upd1), SIMATIC BATCH V7.1 and earlier (All versions), SIMATIC BATCH V8.0 (All versions < SIMATIC BATCH V8.0 SP1 Upd21), SIMATIC BATCH V8.1 (All versions < SIMATIC BATCH V8.1 SP1 Upd16), SIMATIC BATCH V8.2 (All versions < V8.2 SP1), SIMATIC BATCH V9.0 (All versions < V9.0 SP1), SIMATIC NET PC-Software (All versions), SIMATIC PCS 7 V7.1 and earlier (All versions), SIMATIC PCS 7 V8.0 (All versions), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions < V8.2 SP1), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP1), SIMATIC Route Control V7.1 and earlier (All versions), SIMATIC Route Control V8.0 (All versions), SIMATIC Route Control V8.1 (All versions), SIMATIC Route Control V8.2 (All versions < V8.2 SP1), SIMATIC Route Control V9.0 (All versions < V9.0 Upd1), SIMATIC WinCC Runtime Professional V13 (All versions < V13 SP2 Upd2), SIMATIC WinCC Runtime Professional V14 (All versions < V14 SP1 Upd5), SIMATIC WinCC V7.2 and earlier (All versions), SIMATIC WinCC V7.3 (All versions < WinCC 7.3 Upd 16), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Upd4). Specially crafted messages sent to the RPC service of the affected products could cause a Denial-of-Service condition on the remote and local communication functionality of the affected products. A reboot of the system is required to recover the remote and local communication functionality.

Type:

CWE-20

(Improper Input Validation)

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

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
None
None
Partial
Affected software
Siemens -> Openpcs 7 
Siemens -> Simatic batch 
Siemens -> Simatic net pc 
Siemens -> Simatic pcs 7 
Siemens -> Simatic route control 
Siemens -> Simatic wincc 
Siemens -> Simatic wincc runtime professional 

 References:
https://cert-portal.siemens.com/productcert/pdf/ssa-348629.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-18-088-03

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