Synopsis
A heap-based buffer overflow vulnerability exists in um.gpslib.dll v210.1.0.1 in Siemens SINEC NMS UMC (User Management Component) when processing a network message sent to um.Ris.exe or um.ssrem.exe, which are seen to be listening on TCP ports 4002 and 4004, respectively. Exploitation of this issue may ultimately lead to remote code execution.
Solution
Update to latest version supplied by the vendor. See vendor advisory for details.
Disclosure Timeline
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