tcb - the alternative to shadow

Chris Ricker kaboom at oobleck.net
Thu Aug 24 15:33:13 UTC 2006


On Thu, 24 Aug 2006, Ralf Ertzinger wrote:

> Hi.
> 
> On Thu, 24 Aug 2006 11:04:26 -0400, Neal Becker wrote:
> 
> > http://www.openwall.com/presentations/Owl/mgp00020.html
> 
> Hmmm. What is the advantage of this scheme? The first disadvantage
> that springs to my mind is that any attacker that gains user privileges
> (browser bug or whatever) can suddenly change the user password.

The advantages are that passwd, etc become sgid instead of suid, and that 
non-root users can only attack themselves through any passwd flaws....

later,
chris




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