Bugtraq mailing list archives

Re: Solaris 2.3 login


From: barr () pop psu edu (David Barr)
Date: Sun, 14 Aug 1994 19:36:40 -0400


In message <9408131143.AA04455@iridium>, "Christopher A. Stewart" writes:
abit..) Actually what it turns out to be is a process where the ruid
!= euid the system won't dump core for it.. So if the Solaris login is
dumping core when someone envokes in on the command line, it must be
doing a setuid(0) early in the code.. I wonder why? 

Since login is invoked by root, it's not a security problem.  (at least
not in the usual sense of suid programs dumping core)  The problem of
login dumping core would be there even if login were not suid root.
(and in many installations it isn't)  When login gets invoked in normal
logins (from getty, etc), ruid = euid.

--Dave



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