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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 15 Oct 2019
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      • Report NetzDG Violation

      Can we please stop talking about that sudo bug? It only affects systems using an insane configuration (allow $command as anyone *but* root). I can't come up with any situation where that configuration makes any sense (vs e.g. "allow $command as any member of a given group).

      12 replies 195 retweets 560 likes
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    2. Sysadministrivia‏ @SysAdm_Podcast 15 Oct 2019
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      Replying to @marcan42

      k but what if root is in the given group

      1 reply 0 retweets 0 likes
    3. InfernoDeity‏ @InfernoDeityInf 15 Oct 2019
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      Replying to @SysAdm_Podcast @marcan42

      root group != root user.

      1 reply 0 retweets 3 likes
    4. Sysadministrivia‏ @SysAdm_Podcast 15 Oct 2019
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      Replying to @InfernoDeityInf @marcan42

      "allow $command as any member of a given group" http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14287 … i said "given group", not "root group"

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 15 Oct 2019
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      Replying to @SysAdm_Podcast @InfernoDeityInf

      If root is in the given group and you allow sudo to that group then you allow sudo to root, obviously. Not sure what you're trying to get at?

      7:27 PM - 15 Oct 2019
      1 reply 0 retweets 0 likes
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        2. Sysadministrivia‏ @SysAdm_Podcast 15 Oct 2019
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          Replying to @marcan42 @InfernoDeityInf

          because the *exclusion* of root user breaks in this case when it oughtn't. i'm saying in the example you provided, if root user is in the group but you explicitly exclude root as a user (!root), it's still able to be switched to.

          1 reply 0 retweets 0 likes
        3. Hector Martin‏ @marcan42 15 Oct 2019
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          Replying to @SysAdm_Podcast @InfernoDeityInf

          No, it won't, because '-1' is not in the group.

          0 replies 0 retweets 1 like
        4. End of conversation

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