[Koha-bugs] [Bug 14323] New: Users who share userid and cardnumber cause Privacy Breach

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14323

            Bug ID: 14323
           Summary: Users who share userid and cardnumber cause Privacy
                    Breach
 Change sponsored?: ---
           Product: Koha
           Version: 3.18
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Authentication
          Assignee: gmcharlt at gmail.com
          Reporter: joy at bywatersolutions.com
        QA Contact: testopia at bugs.koha-community.org
                CC: dpavlin at rot13.org

For Patron log in on the OPAC Koha looks at the userid first and tries to
authenticate and then looks at the barcode to find a match.   

Problem: If you have user1 with a cardnumber that is the userid for user2  and
they have the same password 

Scenario:
User1:  cardnumber: user1card  userid: user1         pwd:changeme
User2:  cardnumber: user2card  userid: user1card     pwd:changeme

This scenario is a tad unlikely but think about it in a migration perspective. 
If we have a library with 4 digit cardnumbers and we are making the userid the
last four digits of their phone number and we assign a default password to
everyone.  There's the potential for failure  When user1 logs in with his
cardnumber s/he is taken to user2's account.  Breach of patron privacy.

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