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  3. tfw there is a post you know you saw months ago but can't find anymore...

tfw there is a post you know you saw months ago but can't find anymore...

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  • nyanbinary@infosec.exchangeN This user is from outside of this forum
    nyanbinary@infosec.exchangeN This user is from outside of this forum
    nyanbinary@infosec.exchange
    wrote last edited by
    #1

    tfw there is a post you know you saw months ago but can't find anymore...

    Was about someone testing the "secureboot certificate apocalypse" by setting the clock forward & I think everything was fine?

    kajer@infosec.exchangeK tomsellers@infosec.exchangeT 2 Replies Last reply
    0
    • nyanbinary@infosec.exchangeN nyanbinary@infosec.exchange

      tfw there is a post you know you saw months ago but can't find anymore...

      Was about someone testing the "secureboot certificate apocalypse" by setting the clock forward & I think everything was fine?

      kajer@infosec.exchangeK This user is from outside of this forum
      kajer@infosec.exchangeK This user is from outside of this forum
      kajer@infosec.exchange
      wrote last edited by
      #2

      @nyanbinary

      soon: CVE-something: setting clock ahead in bios results in TPM malfunction and unbootable PCs.

      PoC code == NTP server using UDP/123 with clock set in 3012

      nyanbinary@infosec.exchangeN ryanc@infosec.exchangeR 2 Replies Last reply
      0
      • kajer@infosec.exchangeK kajer@infosec.exchange

        @nyanbinary

        soon: CVE-something: setting clock ahead in bios results in TPM malfunction and unbootable PCs.

        PoC code == NTP server using UDP/123 with clock set in 3012

        nyanbinary@infosec.exchangeN This user is from outside of this forum
        nyanbinary@infosec.exchangeN This user is from outside of this forum
        nyanbinary@infosec.exchange
        wrote last edited by
        #3

        @kajer more like: setting clock to the past bypasses certificate expiration check, leading to complete integrity & confidentiality loss

        1 Reply Last reply
        0
        • kajer@infosec.exchangeK kajer@infosec.exchange

          @nyanbinary

          soon: CVE-something: setting clock ahead in bios results in TPM malfunction and unbootable PCs.

          PoC code == NTP server using UDP/123 with clock set in 3012

          ryanc@infosec.exchangeR This user is from outside of this forum
          ryanc@infosec.exchangeR This user is from outside of this forum
          ryanc@infosec.exchange
          wrote last edited by
          #4

          @kajer @nyanbinary are you still mad about DEFCON kids?

          kajer@infosec.exchangeK 1 Reply Last reply
          0
          • ryanc@infosec.exchangeR ryanc@infosec.exchange

            @kajer @nyanbinary are you still mad about DEFCON kids?

            kajer@infosec.exchangeK This user is from outside of this forum
            kajer@infosec.exchangeK This user is from outside of this forum
            kajer@infosec.exchange
            wrote last edited by
            #5

            @ryanc @nyanbinary

            957 0-days found!!!!

            ryanc@infosec.exchangeR nyanbinary@infosec.exchangeN 2 Replies Last reply
            0
            • kajer@infosec.exchangeK kajer@infosec.exchange

              @ryanc @nyanbinary

              957 0-days found!!!!

              ryanc@infosec.exchangeR This user is from outside of this forum
              ryanc@infosec.exchangeR This user is from outside of this forum
              ryanc@infosec.exchange
              wrote last edited by
              #6

              @kajer @nyanbinary so, yes, then

              1 Reply Last reply
              0
              • kajer@infosec.exchangeK kajer@infosec.exchange

                @ryanc @nyanbinary

                957 0-days found!!!!

                nyanbinary@infosec.exchangeN This user is from outside of this forum
                nyanbinary@infosec.exchangeN This user is from outside of this forum
                nyanbinary@infosec.exchange
                wrote last edited by
                #7

                @kajer feels like I am missing a story?

                ryanc@infosec.exchangeR 1 Reply Last reply
                0
                • nyanbinary@infosec.exchangeN nyanbinary@infosec.exchange

                  @kajer feels like I am missing a story?

                  ryanc@infosec.exchangeR This user is from outside of this forum
                  ryanc@infosec.exchangeR This user is from outside of this forum
                  ryanc@infosec.exchange
                  wrote last edited by
                  #8

                  @nyanbinary @kajer kajer once got really annoyed about someone involved in DEFCON kids referring to setting the clock on a phone to bypass timers and whatnot for mobile "games" as 0-days

                  nyanbinary@infosec.exchangeN ryanc@infosec.exchangeR 2 Replies Last reply
                  1
                  0
                  • R relay@relay.infosec.exchange shared this topic
                  • ryanc@infosec.exchangeR ryanc@infosec.exchange

                    @nyanbinary @kajer kajer once got really annoyed about someone involved in DEFCON kids referring to setting the clock on a phone to bypass timers and whatnot for mobile "games" as 0-days

                    nyanbinary@infosec.exchangeN This user is from outside of this forum
                    nyanbinary@infosec.exchangeN This user is from outside of this forum
                    nyanbinary@infosec.exchange
                    wrote last edited by
                    #9

                    @ryanc @kajer ah!

                    ... I guess technically we have a 0-day if you do that, as in "a day" passing in 0 time? :3

                    ryanc@infosec.exchangeR 1 Reply Last reply
                    0
                    • ryanc@infosec.exchangeR ryanc@infosec.exchange

                      @nyanbinary @kajer kajer once got really annoyed about someone involved in DEFCON kids referring to setting the clock on a phone to bypass timers and whatnot for mobile "games" as 0-days

                      ryanc@infosec.exchangeR This user is from outside of this forum
                      ryanc@infosec.exchangeR This user is from outside of this forum
                      ryanc@infosec.exchange
                      wrote last edited by
                      #10

                      @nyanbinary @kajer he came to my gender repeal party and also we used to play and run CTFs together

                      1 Reply Last reply
                      0
                      • nyanbinary@infosec.exchangeN nyanbinary@infosec.exchange

                        @ryanc @kajer ah!

                        ... I guess technically we have a 0-day if you do that, as in "a day" passing in 0 time? :3

                        ryanc@infosec.exchangeR This user is from outside of this forum
                        ryanc@infosec.exchangeR This user is from outside of this forum
                        ryanc@infosec.exchange
                        wrote last edited by
                        #11

                        @nyanbinary @kajer I highly recommend reminding kajer of this in a few weeks once he's forgotten about this exchange.

                        kajer@infosec.exchangeK 1 Reply Last reply
                        0
                        • nyanbinary@infosec.exchangeN nyanbinary@infosec.exchange

                          tfw there is a post you know you saw months ago but can't find anymore...

                          Was about someone testing the "secureboot certificate apocalypse" by setting the clock forward & I think everything was fine?

                          tomsellers@infosec.exchangeT This user is from outside of this forum
                          tomsellers@infosec.exchangeT This user is from outside of this forum
                          tomsellers@infosec.exchange
                          wrote last edited by
                          #12

                          @nyanbinary Seems like I remember @wdormann or @mjg59 saying something about this. It's been while so I apologize for @'ing either or both of you that didn't post about it.

                          mjg59@nondeterministic.computerM 1 Reply Last reply
                          0
                          • ryanc@infosec.exchangeR ryanc@infosec.exchange

                            @nyanbinary @kajer I highly recommend reminding kajer of this in a few weeks once he's forgotten about this exchange.

                            kajer@infosec.exchangeK This user is from outside of this forum
                            kajer@infosec.exchangeK This user is from outside of this forum
                            kajer@infosec.exchange
                            wrote last edited by
                            #13

                            @ryanc @nyanbinary kajer does not forget 0-day countz

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                            1 Reply Last reply
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                            • tomsellers@infosec.exchangeT tomsellers@infosec.exchange

                              @nyanbinary Seems like I remember @wdormann or @mjg59 saying something about this. It's been while so I apologize for @'ing either or both of you that didn't post about it.

                              mjg59@nondeterministic.computerM This user is from outside of this forum
                              mjg59@nondeterministic.computerM This user is from outside of this forum
                              mjg59@nondeterministic.computer
                              wrote last edited by
                              #14

                              @TomSellers @nyanbinary @wdormann https://mjg59.dreamwidth.org/72892.html should cover it

                              1 Reply Last reply
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