Re: sendmail exploit script - resend
Dave Horsfall (dave@esi.com.au)
Mon, 28 Mar 1994 15:26:14 +1000 (EST)
On Sun, 27 Mar 1994, Pat Myrto wrote:
[ Negative debug values ]
> What is beyond me is how one figured OUT that attack in the first place,
My earliest recollection of this sort of hole was back in Edition 6
Unix, where calling signal(XXX, 0) with a judiciously-selected negative
number would plant "0" within u.u_uid...
--
Dave Horsfall (VK2KFU) VK2KFU @ VK2AAB.NSW.AUS.OC PGP 2.3
dave@esi.COM.AU ...munnari!esi.COM.AU!dave available