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  3. Life isn't easy if your last name is 'Null' as it still breaks database entries the world over

Life isn't easy if your last name is 'Null' as it still breaks database entries the world over

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  • C [email protected]
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    wrote on last edited by
    #23

    I was NaN years old when I learned this.

    S 1 Reply Last reply
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    • S [email protected]

      A couple years ago I wanted to write a simple website with SQL injection vulnerability, so I could demonstrate sqlmap to someone

      It was surprisingly difficult (and every fiber in my body screamed)

      F This user is from outside of this forum
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      wrote on last edited by
      #24

      Imagine how hard it is to be this bad. Yet still people manage to do it.

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      • L [email protected]

        Legacy systems still handle more traffic than modern ones, I’d wager

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        wrote on last edited by
        #25

        any govt system.

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        • S [email protected]

          /me changes name to '); DROP TABLE STUDENTS; --.

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          wrote on last edited by
          #26

          Are there character escapes for SQL, to protect against stuff like that?

          S P S S 4 Replies Last reply
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          • Z [email protected]

            Are there character escapes for SQL, to protect against stuff like that?

            S This user is from outside of this forum
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            wrote on last edited by
            #27

            Input sanitation typically handles this as a string that only includes characters supported by the data type of the table in question. While in transit, the strings might be escaped at certain stages, such as via URL encoding. Though this is considered poor practice in many applications, it’s not uncommon to see. The point, however, is to prevent the evaluation of inputs as anything other than their intended type, whether or not reserved characters are present.

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            • P [email protected]

              Wordpress is a sin against mankind.

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              wrote on last edited by
              #28

              Let's take a blog and slap a whole e-commerce system on it through a plugin and let it auto translate with another one, what could go wrong. wait why is everything so slow, oh i need additional plugins for caching and one more for functionality XYZ why is everything broken now?!?

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              • P [email protected]

                Wordpress is a sin against mankind.

                A This user is from outside of this forum
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                wrote on last edited by
                #29

                Let's take a blog and slap a whole e-commerce system on it through a plugin and let it auto translate with another one, what could go wrong. wait why is everything so slow, oh i need additional plugins for caching and one more for functionality XYZ why is everything broken now?!?

                narc0tic_bird@lemm.eeN 1 Reply Last reply
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                • P [email protected]

                  Wordpress is a sin against mankind.

                  A This user is from outside of this forum
                  A This user is from outside of this forum
                  [email protected]
                  wrote on last edited by
                  #30

                  Let's take a blog and slap a whole e-commerce system on it through a plugin and let it auto translate with another one, what could go wrong. wait why is everything so slow, oh i need additional plugins for caching and one more for functionality XYZ why is everything broken now?!?

                  1 Reply Last reply
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                  • P [email protected]

                    Wordpress is a sin against mankind.

                    A This user is from outside of this forum
                    A This user is from outside of this forum
                    [email protected]
                    wrote on last edited by
                    #31

                    Let's take a blog and slap a whole e-commerce system on it through a plugin and let it auto translate with another one, what could go wrong. wait why is everything so slow, oh i need additional plugins for caching and one more for functionality XYZ why is everything broken now?!?

                    1 Reply Last reply
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                    • P [email protected]

                      Wordpress is a sin against mankind.

                      A This user is from outside of this forum
                      A This user is from outside of this forum
                      [email protected]
                      wrote on last edited by
                      #32

                      Let's take a blog and slap a whole e-commerce system on it through a plugin and let it auto translate with another one, what could go wrong. wait why is everything so slow, oh i need additional plugins for caching and one more for functionality XYZ why is everything broken now?!?

                      1 Reply Last reply
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                      • P [email protected]

                        Wordpress is a sin against mankind.

                        A This user is from outside of this forum
                        A This user is from outside of this forum
                        [email protected]
                        wrote on last edited by
                        #33

                        Let's take a blog and slap a whole e-commerce system on it through a plugin and let it auto translate with another one, what could go wrong. wait why is everything so slow, oh i need additional plugins for caching and one more for functionality XYZ why is everything broken now?!?

                        1 Reply Last reply
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                        • Z [email protected]

                          Are there character escapes for SQL, to protect against stuff like that?

                          P This user is from outside of this forum
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                          wrote on last edited by
                          #34

                          Use parameters, that way data and queries are separate.

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                          • Z [email protected]

                            Are there character escapes for SQL, to protect against stuff like that?

                            S This user is from outside of this forum
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                            wrote on last edited by
                            #35

                            Yes but it's a dangerous process. You should use paramatrized queries instead.

                            S 1 Reply Last reply
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                            • L [email protected]

                              Legacy systems still handle more traffic than modern ones, I’d wager

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                              wrote on last edited by
                              #36

                              And it's probably not seen as urgent enough an issue to need replacing the whole system for.

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                              • C [email protected]
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                                wrote on last edited by
                                #37

                                NULL != 'NULL'

                                How do devs make this mistake

                                G blackn1ght@feddit.ukB K kogasa@programming.devK blackmist@feddit.ukB 5 Replies Last reply
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                                • C [email protected]

                                  NULL != 'NULL'

                                  How do devs make this mistake

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                                  wrote on last edited by
                                  #38

                                  How do devs make off by one mistakes.

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                                  • P [email protected]

                                    Yep. For the curious, any time a license plate photo couldn’t be fully read by the automated system, it was marked as “NULL” and he was flagged as the driver. So every single red light camera and speeding camera in the area was sending him to court every day.

                                    C This user is from outside of this forum
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                                    wrote on last edited by
                                    #39

                                    It got worse than this, the ticketing company really wanted to get the money from him so when he got hold of a copy of the records and pointed out that one ticket was for a completely different car they modified the records on their end to change the make of car so it would match his. iirc he only got out of it because he had paper copies.

                                    takios@discuss.tchncs.deT D 2 Replies Last reply
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                                    • C [email protected]

                                      It got worse than this, the ticketing company really wanted to get the money from him so when he got hold of a copy of the records and pointed out that one ticket was for a completely different car they modified the records on their end to change the make of car so it would match his. iirc he only got out of it because he had paper copies.

                                      takios@discuss.tchncs.deT This user is from outside of this forum
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                                      wrote on last edited by
                                      #40

                                      Don't they have to prove it with a photograph? In GermanyI'd laugh in theirface withput a photograph as evidence.

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                                      • P [email protected]

                                        I have never seen this happen, and I don't know what tools would confuse the string "null" with NULL. From the comments in this thread, there are evidently more terribly programmed systems than I imagined.

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                                        wrote on last edited by
                                        #41

                                        As long as there's javascript somewhere, anything can happen

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                                        • C [email protected]
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                                          wrote on last edited by
                                          #42

                                          Lmao, I knew a guy from grade school with the last name Null.

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