Messages in this thread | | | Subject | Re: current->uid | Date | Sun, 11 Apr 1999 22:02:45 -0400 | From | Horst von Brand <> |
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<kernel@vdr.qc.ca> said:
[...]
> OK, but there won't be such system call. The goal of this is to set an > array of 500 possible users that could be root (including 0). This would > mean that an exploit would have to try many uids before getting somewhere, > and if root is paranoid, he can change his ID 5 times a day. Then the > exploits would only work for a fairly short time.
Exploits usually work by taking over an pivileged process, so this won't help a bit. Or they work by cracking root's password in some way, and loging in normally. Your scheme won't protect against any of those. -- Horst von Brand vonbrand@sleipnir.valparaiso.cl Casilla 9G, Viña del Mar, Chile +56 32 672616
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