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2917451 - SSL enabled ASE server hangs - SAP ASE 16 SP03

Symptom

  • ASE gets hung when the ASE  port is scanned by security scanner.

  • SSL thread hangs in LOGIN_PROCESS.
     
  • ASE may sometimes show 100% or more CPU utilization and prevent further connections.
  • Some SPIDs within ASE may remain in "Maintenance Token" status.

     
  • Other messages in the ASE errorlogs at the time of the failure:

ksmask__rpacket: Invalid tdslength value XXXX, kpid: XXX
originating node of previous invalid TDS packet: XX.XX.XX.XX port : 5000
ssl_server_handshake: vsn 43 kpid XXXX FAILED sslerr


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0 SP03 and higher with at least one SSL Listen port. Similar issue can happen for SAP IQ server or SAP Replication server

Product

SAP Adaptive Server Enterprise 16.0

Keywords

Port scanner, Vulnerability Scanner, virus, port, Nessus, SAP ASE, SAP IQ, SAP Replication Server, SRS , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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