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Re: ld-linux.so security issue?
From: |
Roland McGrath |
Subject: |
Re: ld-linux.so security issue? |
Date: |
Thu, 9 Aug 2001 15:05:40 -0400 (EDT) |
> I've a partition that I would not like users to execute from for various
> reasons,
> so it's mounted noexec. However this can be trivially bypassed by the user
> doing /lib/ld-linux.so.2 /path/to/binary.
Unless you strictly limit the executables your users can run, there is
always a way to run other code you can read. If you want to prevent your
users from running arbitrary executables, clear the execute bits on
/lib/ld-linux.so.2; that breaks ldd, but nothing else.