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Date: Thu, 18 May 2006 16:17:59 +0400
From: "Dmitry V. Levin" <ldv@altlinux.org>
To: ALT Linux Sisyphus discussion list <sisyphus@lists.altlinux.org>
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Subject: Re: [sisyphus] temporary root privileges from local process
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On Thu, May 18, 2006 at 02:37:18PM +0300, Vadym Kononenko wrote:
> =DE=C5=D4=D7=C5=D2 18 =D4=D2=C1=D7=C5=CE=D8 2006 01:07, Dmitry V. Levin =
=CE=C1=D0=C9=D3=C1=D7:
> > =EC=D5=DE=DB=C5, =C5=D3=CC=C9 =CE=C5=CB=C1=D1 =D3=CC=D5=D6=C2=C1 =C2=D5=
=C4=C5=D4 =D3=C1=CD=C1 =D0=D2=C9=CE=C9=CD=C1=D4=D8 =DA=C1=D0=D2=CF=D3=D9 =
=CE=C1
> > =D0=C5=D2=C5=CB=CF=CE=C6=C9=C7=D5=D2=C9=D2=CF=D7=C1=CE=C9=C5 =C9 =D0=C5=
=D2=C5=DA=C1=D0=D5=D3=CB =D3=CF =D3=D4=CF=D2=CF=CE=D9 =CE=C5=D0=D2=C9=D7=C9=
=CC=C5=C7=C9=D2=CF=D7=C1=CE=CE=D9=C8 =CB=CC=C9=C5=CE=D4=CF=D7,
> > =CE=C1=D0=D2=C9=CD=C5=D2, =DE=C5=D2=C5=DA unix domain socket.
> .. =CD=C5=DE=D4=C1=D4=D8 =CE=C5 =D7=D2=C5=C4=CE=CF... :)
>=20
> =F3=D0=C1=D3=C9=C2=CF =DA=C1 =CF=D4=D7=C5=D4.
> =EF=D3=D4=C1=CE=CF=D7=C9=CC=D3=D1 =CE=C1 =D0=C5=D2=D7=CF=CD =D7=C1=D2=C9=
=C1=CE=D4=C5, =C4=D5=CD=C1=C0, =CD=CE=CF=C7=CF =D7=D2=C5=C4=C1 =D4=C1=CB=C1=
=D1 =D0=D2=CF=C7=D2=C1=CD=CD=C1 =CE=C5=20
> =CE=C1=C4=C5=CC=C1=C5=D4: :)
>=20
> #include <stdio.h>
> #include <stdlib.h>
>=20
> int main()
> {
>     if (geteuid() !=3D 0) exit(1);
>=20
>     setuid(0);
>=20
>     return system("/sbin/service bluetooth reload");
> }

=FC=D4=CF instant root, =D4.=C5. =DA=C1=D0=D5=D3=CB=C1=C0=DD=C9=CA =DC=D4=
=D5 =D0=D2=C9=D7=C9=CC=C5=C7=C9=D2=CF=D7=C1=CE=CE=D5=C0 =D0=D2=CF=C7=D2=C1=
=CD=CD=D5
=D0=CF=CC=D8=DA=CF=D7=C1=D4=C5=CC=D8 =CD=CF=D6=C5=D4 =CE=C5 =CE=C1=D0=D2=D1=
=C7=C1=D1=D3=D8 =D0=CF=CC=D5=DE=C9=D4=D8 =D0=D2=C1=D7=C1 setuid(0).


--=20
ldv

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