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  1. PROFINET Core
  2. PSPNCORE-800

Possible memory overflow when initializing PPM CSDU buffer

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: V1.15.0.4, V1.15.2.0
    • Fix Version/s: V1.15.0.8, V1.15.6.0
    • Component/s: Controller, Device
    • Labels:
      None
    • Account:
      SPC Profinet Core V1 operational (SPCPROFINET)

      Description

      When a PPMs CSDU buffer is initialized, a memory overflow occurs when the data length is between 1437 and 1440 byte. As a result, undefined behavior depending on resource configuration and operating situation may occur:

      • The stack may crash
      • The stack might send wrong connect request or response
      • The device stack might stop sending input data to controllers
      • The controller stack might send wrong/inconsistent output data to devices

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                  • Reporter:
                    AMesser Andreas Messer
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                    Dates

                    • Created:
                      Updated:
                      Resolved: