lkml.org 
[lkml]   [2006]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Add a /proc/self/exedir link
>>> 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/

\
 
 \ /
  Last update: 2006-04-08 10:29    [W:0.059 / U:0.308 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site