Messages in this thread | | | Date | Sat, 8 Apr 2006 10:26:14 +0200 (MEST) | From | Jan Engelhardt <> | Subject | Re: [PATCH] Add a /proc/self/exedir link |
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>>> It leaks information about the parts of the pathname below the >>> directory that you otherwise would not be able to see. E.g. if >>> I have $HOME/top-secret-projects/secret-code-name1/binary >>> where the top-secret-projects directory isn't readable by you, >>> then you may find out secret-code-name1 by reading the >>> /proc/{pid}/exedir symlink. >> >> But we already have /proc/{pid}/exe which is a symlink to the >> executable, thus exposing all the directory names already.
In which case the administrator of the machine should make /proc/xyz directories mode 0700. (Patches are floating around.)
Jan Engelhardt -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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