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Must ensure $multirust_dir isn't world-writable in order to avoid symlink race attack #131

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nodakai opened this issue Feb 28, 2016 · 1 comment
Open

Must ensure $multirust_dir isn't world-writable in order to avoid symlink race attack #131

nodakai opened this issue Feb 28, 2016 · 1 comment

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@nodakai
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nodakai commented Feb 28, 2016

Cf. http://www.linuxsecurity.com/content/view/115462/151/

  1. Add -m 755 to mkdir -p $multirust_dir or wrap it with a subshell with umask 022.
  2. If the existing $multirust_dir should be world-writable, multirust should abort normal operation and ask the user to take some actions.
@brson
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brson commented Feb 28, 2016

Yes, good suggestion.

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@nodakai @brson