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Resolved SQL sentences present in memory
  1. How-to
  2.  Security
0 Votes
  1. Erick Siliezar
  2. PowerBuilder
  3. Thursday, 18 July 2019 09:05 PM UTC

Hi everyone, currently I'm using PowerBuilder 2017 connected to Oracle 19C. During some audit test of my app I received some notifications about my tool.

When I have SQL scripts embedded in my code, if I run the tool and test the memory, those scripts appear in the memory and that will be a risk because the query appear in plain text. I tried to move those scripts and use a datastore components instead of my query. But unfortunately the script remains in memory.

Something like this:

My old script in the code

SELECT sys_context('userenv','client_identifier') INTO :client_id FROM dual; 

New code

lds_data = Create n_ds
lds_data.DataObject = 'd_sys_context'  //Datastore with the SQL sentence
lds_data.SetTransobject(SQLCA)


ll_Row = lds_data.retrieve()
client_id = lds_data.getitemstring(ll_Row,"data")

if isvalid(lds_data) then destroy(lds_data)

 

Can you please help me to solve my issue. How can I avoid this issue. Should I change my code to connect securely, because I use a simple code to connect to the database? I'm using machine code compilation 32 bits.

sqlca.logid = "My user"

sqlca.logpass = "My pwd"

connect using sqlca;

 

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