[160] in linux-security and linux-alert archive

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Re: Closing suid root holes

daemon@ATHENA.MIT.EDU (Joseph S. D. Yao)
Mon Mar 13 22:07:14 1995

Date: Mon, 13 Mar 1995 10:47:05 -0500
From: "Joseph S. D. Yao" <jsdy@cais.cais.com>
To: linux-security@tarsier.cv.nrao.edu
Reply-To: linux-security@tarsier.cv.nrao.edu

>  ... Just imagine the passwd file being mode 444. Then a program that had
> a bug that allowed the bad guys to append to any file could not be used.
> Of curse this means modifying the passwd programs and good knows how many 
> other things, to do a chmod before and after opening the file.

Which I do routinely on my "work" systems.  No big deal.

Joe Yao				jsdy@cais.com - Joseph S. D. Yao

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