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Possibly linux@lemmy.zip to Linux@lemmy.mlEnglish · 1 year ago

XZ backdoor in a nutshell

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XZ backdoor in a nutshell

lemmy.zip

Possibly linux@lemmy.zip to Linux@lemmy.mlEnglish · 1 year ago
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  • Possibly linux@lemmy.zipOP
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    1 year ago

    A “antivirus” tends to be a proprietary black box. Such “antivirus” programs could not of detected the XZ backdoor

    • z00s@lemmy.world
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      1 year ago

      All it took was one set of nerd eyeballs

    • EmperorHenry@discuss.tchncs.de
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      7 months ago

      deleted by creator

      • Possibly linux@lemmy.zipOP
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        1 year ago

        What?

        • EmperorHenry@discuss.tchncs.de
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          deleted by creator

          • Portable4775@lemmy.zip
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            1 year ago

            A whitelisting application has a list of what it knows it bad AND what it knows in advance to be good.

            How would it know this? Is this defined by a person/people? If so, that wouldn’t have mattered. liblzma was known in advance to be good, then the malicious update was added, and people still presumed that it was good.

            This wasn’t a case of some random package/program wreaking havoc. It was trusted malicious code.

            Also, you’re asking for an antivirus that uploads and uses a sandbox to analyze ALL packages. Good luck with that. (AVs would probably have a hard time detecting malicious build actions, anyways).

            • EmperorHenry@discuss.tchncs.de
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              • Portable4775@lemmy.zip
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                1 year ago

                It places unknown/new software in a sandbox. You want an AV that tests all pre-existing packages in a sandbox.

          • Possibly linux@lemmy.zipOP
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            1 year ago

            That would do nothing for liblzma as it was trusted.

            • EmperorHenry@discuss.tchncs.de
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              • Possibly linux@lemmy.zipOP
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                1 year ago

                The developer of XZ. What your describing is package verification which already happens

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