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About pbdwr.pbd. Part of runtime, not digitally signed. Is it tamper proof?
  1. Misc
  2.  PowerBuilder
  3.  Security
0 Votes
  1. Erwin Anema
  2. PowerBuilder
  3. Wednesday, 14 July 2021 04:24 PM UTC

Hi PowerBuilder community,

Currently, all PowerBuilder runtime DLL files have been signed, which is great.

Part of the PowerBuilder runtime (for PowerBuilder 2019 R3) is pbdwr.pbd.
That file isn't signed as far as I can tell. Perhaps it cannot be signed.

The file extension suggests that this is a regular pbd file.
I know decompilers exist, so I wonder whether this is all fine or if this is something that could be tampered with and therefore is still a vulnerability.

Documentation states it is for datawindows/stores, but it is kind of a weird file in the runtime distribution.
I wonder if this could also not be just a dll and be signed.

Thanks in advance,

Erwin

 

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