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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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  • 4censord@unfug.social4 4censord@unfug.social

    @rebane2001 hmm, nothing is loading for me, I've waited around 30s
    There is also no loading indicator.
    I'm using a similar browser as well, its also Firefox klar

    Link Preview Image
    natty@astolfo.socialN This user is from outside of this forum
    natty@astolfo.socialN This user is from outside of this forum
    natty@astolfo.social
    wrote last edited by
    #22

    @4censord@unfug.social @rebane2001@infosec.exchange Klar is a Germany-specific thing, it might have different rules

    rebane2001@infosec.exchangeR 1 Reply Last reply
    0
    • natty@astolfo.socialN natty@astolfo.social

      @4censord@unfug.social @rebane2001@infosec.exchange Klar is a Germany-specific thing, it might have different rules

      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
      #23

      @natty @4censord mine's firefox focus

      4censord@unfug.social4 1 Reply Last reply
      0
      • rebane2001@infosec.exchangeR rebane2001@infosec.exchange

        @natty @4censord mine's firefox focus

        4censord@unfug.social4 This user is from outside of this forum
        4censord@unfug.social4 This user is from outside of this forum
        4censord@unfug.social
        wrote last edited by
        #24

        @rebane2001 @natty they are very similar afaik, mostly branding because Germany has another established thing called "focus"

        But I'll retry in fennec in a sec

        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 !!

          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
          #25

          @rebane2001 Is this what they call a 1259 day?

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

            @rebane2001 Is this what they call a 1259 day?

            edcates@mastodon.socialE This user is from outside of this forum
            edcates@mastodon.socialE This user is from outside of this forum
            edcates@mastodon.social
            wrote last edited by
            #26

            @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 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

              multisn8@mastodon.catgirl.cloudM This user is from outside of this forum
              multisn8@mastodon.catgirl.cloudM This user is from outside of this forum
              multisn8@mastodon.catgirl.cloud
              wrote last edited by
              #27

              @rebane2001 the bot ghost is providing emotional support here

              Uh oh! This issue still open and hasn't been updated in the last 262 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

              1 Reply Last reply
              0
              • mttaggart@infosec.exchangeM mttaggart@infosec.exchange shared this topic
              • 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 !!

                cr0w@infosec.exchangeC This user is from outside of this forum
                cr0w@infosec.exchangeC This user is from outside of this forum
                cr0w@infosec.exchange
                wrote last edited by
                #28

                @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 1 Reply Last reply
                0
                • 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

                        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’€

                          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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