[467] in linux-security and linux-alert archive
Re: linux a.out ld.so problem
daemon@ATHENA.MIT.EDU (medulla)
Wed Nov 8 17:04:01 1995
Date: Tue, 7 Nov 1995 00:24:29 -0500 (EST)
From: medulla <medulla@infosoc.com>
To: Aleph One <aleph1@dfw.net>
cc: linux-security@tarsier.cv.nrao.edu
In-Reply-To: <Pine.SUN.3.90.951106143133.212F-100000@dfw.net>
On Mon, 6 Nov 1995, Aleph One wrote:
> Where you fall in the same trap that telnetd did. You are obiusly root
> because you need to be to run strace on ls. There for the test for suidness
> will fail because ruid == euid. Try doing the test without being root.
Well, that was just a sample. I managed to get root with a libc patch
with login sgid, suid, and sug and sgid. It makes no difference on the
a.out machines I tested it on (all nonshadowed).
>
> Aleph One / aleph1@dfw.net
> http://underground.org/
> KeyID 1024/948FD6B5
> Fingerprint EE C9 E8 AA CB AF 09 61 8C 39 EA 47 A8 6A B8 01
>