CVE-2018-4832 Information

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) OpenPCS 7 V9.0 (All versions V9.0 Upd1) SIMATIC BATCH V7.1 and earlier (All versions) SIMATIC BATCH V8.0 (All versions V8.0 SP1 Upd21) SIMATIC BATCH V8.1 (All versions V8.1 SP1 Upd16) SIMATIC BATCH V8.2 (All versions V8.2 Upd10) SIMATIC BATCH V9.0 (All versions V9.0 SP1) SIMATIC NET PC-Software (All versions 15 SP1) 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) 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 WinCC 7.2 Upd 15) SIMATIC WinCC V7.3 (All versions WinCC 7.3 Upd 16) SIMATIC WinCC V7.4 (All versions V7.4 SP1 Upd 4) SPPA-T3000 Application Server (All versions Service Pack R8.2 SP2). 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. Please note that an attacker needs to have network access to the Application Server in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://packetstormsecurity.com/files/155665/Siemens-Security-Advisory-SPPA-T3000-Code-Execution.html https://cert-portal.siemens.com/productcert/pdf/ssa-348629.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-451445.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5