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CIRCLE WITH A DOT

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  3. back in 2022 i found a bug that would let me, with no user interaction, turn any chromium-based browser into a permanent js botnet member

back in 2022 i found a bug that would let me, with no user interaction, turn any chromium-based browser into a permanent js botnet member

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  • cr0w@infosec.exchangeC cr0w@infosec.exchange

    @rebane2001 I've got a dumb question: Is this something that can be mitigated with a uBlock filter? It reads like it could be but I don't know this stuff well.

    rebane2001@infosec.exchangeR This user is from outside of this forum
    rebane2001@infosec.exchangeR This user is from outside of this forum
    rebane2001@infosec.exchange
    wrote last edited by
    #29

    @cR0w no

    1 Reply Last reply
    0
    • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

      even worse, edge no longer even makes the download menu pop up, so it's completely silent js rce that keeps running even after you close the browser !!

      all from just visiting a single website once !!

      mirq@tsogol.tsiran.orgM This user is from outside of this forum
      mirq@tsogol.tsiran.orgM This user is from outside of this forum
      mirq@tsogol.tsiran.org
      wrote last edited by
      #30
      @rebane2001 uh oh
      Why did it take them 4 years to (not) fix this?
      I really should go ahead and disable js everywhere
      1 Reply Last reply
      0
      • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

        even worse, edge no longer even makes the download menu pop up, so it's completely silent js rce that keeps running even after you close the browser !!

        all from just visiting a single website once !!

        taghunt@infosec.exchangeT This user is from outside of this forum
        taghunt@infosec.exchangeT This user is from outside of this forum
        taghunt@infosec.exchange
        wrote last edited by
        #31

        @rebane2001 well that's not good...

        1 Reply Last reply
        0
        • edcates@mastodon.socialE edcates@mastodon.social

          @henry_null @rebane2001 Cue Microsoft issuing a press release accusing Rebane of "violating coordinated vulnerability best practices." They've barely had time to react, after all...

          henry_null@sueden.socialH This user is from outside of this forum
          henry_null@sueden.socialH This user is from outside of this forum
          henry_null@sueden.social
          wrote last edited by
          #32

          @EdCates @rebane2001 I mean its them who made it public first I guess🀷 https://issues.chromium.org/issues/40062121#comment56

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          • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

            OH NO I JUST REALIZED THIS IS NOT ACTUALLY PROPERLY FIXED AND STILL WORKS πŸ’€πŸ’€

            interpipes@thx.ggI This user is from outside of this forum
            interpipes@thx.ggI This user is from outside of this forum
            interpipes@thx.gg
            wrote last edited by
            #33

            @rebane2001 πŸ€¦β€β™‚οΈ

            1 Reply Last reply
            0
            • henry_null@sueden.socialH henry_null@sueden.social

              @rebane2001
              oooof, thats not good😬
              3,5 years...

              sent from my firefox

              utf_7@mastodon.socialU This user is from outside of this forum
              utf_7@mastodon.socialU This user is from outside of this forum
              utf_7@mastodon.social
              wrote last edited by
              #34

              @henry_null @rebane2001

              i second this, sent from my epiphany

              1 Reply Last reply
              0
              • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                OH NO I JUST REALIZED THIS IS NOT ACTUALLY PROPERLY FIXED AND STILL WORKS πŸ’€πŸ’€

                gurkan@has.siktir.inG This user is from outside of this forum
                gurkan@has.siktir.inG This user is from outside of this forum
                gurkan@has.siktir.in
                wrote last edited by
                #35

                @rebane2001 peak google efficiency

                1 Reply Last reply
                0
                • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                  back in 2022 i found a bug that would let me, with no user interaction, turn any chromium-based browser into a permanent js botnet member

                  in edge, you wouldn't even notice anything out-of-place, and would stay connected to the c2 even after closing the browser

                  today, almost 4 years later, the bug is finally public:
                  https://issues.chromium.org/issues/40062121

                  egerlach@hachyderm.ioE This user is from outside of this forum
                  egerlach@hachyderm.ioE This user is from outside of this forum
                  egerlach@hachyderm.io
                  wrote last edited by
                  #36

                  @rebane2001 Clearly, @mozilla's choices around not implementing certain APIs is paying off.

                  1 Reply Last reply
                  0
                  • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                    even worse, edge no longer even makes the download menu pop up, so it's completely silent js rce that keeps running even after you close the browser !!

                    all from just visiting a single website once !!

                    skyr@chaos.socialS This user is from outside of this forum
                    skyr@chaos.socialS This user is from outside of this forum
                    skyr@chaos.social
                    wrote last edited by
                    #37

                    @rebane2001 BeEF module ftw! πŸŽ‰

                    1 Reply Last reply
                    0
                    • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                      even worse, edge no longer even makes the download menu pop up, so it's completely silent js rce that keeps running even after you close the browser !!

                      all from just visiting a single website once !!

                      rebane2001@infosec.exchangeR This user is from outside of this forum
                      rebane2001@infosec.exchangeR This user is from outside of this forum
                      rebane2001@infosec.exchange
                      wrote last edited by
                      #38

                      issue set to private again, hopefully it'll get fixed properly this time πŸ˜›

                      alesandroortiz@infosec.exchangeA ratsnakegames@mastodon.socialR samantazfox@infosec.exchangeS shravanrn@infosec.exchangeS 4 Replies Last reply
                      0
                      • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                        OH NO I JUST REALIZED THIS IS NOT ACTUALLY PROPERLY FIXED AND STILL WORKS πŸ’€πŸ’€

                        sylvhem@eldritch.cafeS This user is from outside of this forum
                        sylvhem@eldritch.cafeS This user is from outside of this forum
                        sylvhem@eldritch.cafe
                        wrote last edited by
                        #39

                        @rebane2001 Oops.

                        1 Reply Last reply
                        0
                        • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                          issue set to private again, hopefully it'll get fixed properly this time πŸ˜›

                          alesandroortiz@infosec.exchangeA This user is from outside of this forum
                          alesandroortiz@infosec.exchangeA This user is from outside of this forum
                          alesandroortiz@infosec.exchange
                          wrote last edited by
                          #40

                          @rebane2001 Nice find! I should have woken up earlier to see the details. πŸ˜…

                          1 Reply Last reply
                          0
                          • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                            issue set to private again, hopefully it'll get fixed properly this time πŸ˜›

                            ratsnakegames@mastodon.socialR This user is from outside of this forum
                            ratsnakegames@mastodon.socialR This user is from outside of this forum
                            ratsnakegames@mastodon.social
                            wrote last edited by
                            #41

                            @rebane2001 fucking embarrassing

                            1 Reply Last reply
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                            • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                              issue set to private again, hopefully it'll get fixed properly this time πŸ˜›

                              samantazfox@infosec.exchangeS This user is from outside of this forum
                              samantazfox@infosec.exchangeS This user is from outside of this forum
                              samantazfox@infosec.exchange
                              wrote last edited by
                              #42

                              @rebane2001 Well, too late, it has already been archived :x

                              rebane2001@infosec.exchangeR 1 Reply Last reply
                              0
                              • samantazfox@infosec.exchangeS samantazfox@infosec.exchange

                                @rebane2001 Well, too late, it has already been archived :x

                                rebane2001@infosec.exchangeR This user is from outside of this forum
                                rebane2001@infosec.exchangeR This user is from outside of this forum
                                rebane2001@infosec.exchange
                                wrote last edited by
                                #43

                                @SamantazFox out of curiosity, where? the archive.org captures don't load for me

                                edit: ty πŸ™‚

                                lenni@fosstodon.orgL 1 Reply Last reply
                                0
                                • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                                  @SamantazFox out of curiosity, where? the archive.org captures don't load for me

                                  edit: ty πŸ™‚

                                  lenni@fosstodon.orgL This user is from outside of this forum
                                  lenni@fosstodon.orgL This user is from outside of this forum
                                  lenni@fosstodon.org
                                  wrote last edited by
                                  #44

                                  @rebane2001 @SamantazFox It's on archive.today/.is/.ph. Only go there with a content blocker, you're DDoSing a small blog otherwise: https://gyrovague.com/2026/02/01/archive-today-is-directing-a-ddos-attack-against-my-blog/

                                  1 Reply Last reply
                                  0
                                  • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                                    back in 2022 i found a bug that would let me, with no user interaction, turn any chromium-based browser into a permanent js botnet member

                                    in edge, you wouldn't even notice anything out-of-place, and would stay connected to the c2 even after closing the browser

                                    today, almost 4 years later, the bug is finally public:
                                    https://issues.chromium.org/issues/40062121

                                    fuzzyfuzzyfungus@cyberplace.socialF This user is from outside of this forum
                                    fuzzyfuzzyfungus@cyberplace.socialF This user is from outside of this forum
                                    fuzzyfuzzyfungus@cyberplace.social
                                    wrote last edited by
                                    #45

                                    @rebane2001 I hate it; but damn that's clever.

                                    1 Reply Last reply
                                    0
                                    • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

                                      issue set to private again, hopefully it'll get fixed properly this time πŸ˜›

                                      shravanrn@infosec.exchangeS This user is from outside of this forum
                                      shravanrn@infosec.exchangeS This user is from outside of this forum
                                      shravanrn@infosec.exchange
                                      wrote last edited by
                                      #46

                                      @rebane2001 really cool work. Didn't realize this sort of bug class even existed. Hope they up the bounty; this seems worth more than $1000

                                      1 Reply Last reply
                                      0
                                      • rebane2001@infosec.exchangeR This user is from outside of this forum
                                        rebane2001@infosec.exchangeR This user is from outside of this forum
                                        rebane2001@infosec.exchange
                                        wrote last edited by
                                        #47

                                        @Strabisme @cR0w yes, provided you disable js or service workers on the page

                                        1 Reply Last reply
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