[8314] in bugtraq

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Re: Root compromise via zgv

daemon@ATHENA.MIT.EDU (Alan Cox)
Tue Oct 27 15:22:23 1998

Date: 	Tue, 27 Oct 1998 14:08:41 +0000
Reply-To: Alan Cox <alan@LXORGUK.UKUU.ORG.UK>
From: Alan Cox <alan@LXORGUK.UKUU.ORG.UK>
X-To:         rafal@MEDIANET.PL
To: BUGTRAQ@NETSPACE.ORG
In-Reply-To:  <199810191029.MAA10145@butler.medianet.pl> from "Nergal" at Oct
              19, 98 12:29:04 pm

> Answer 1. Besides port access granted by ioperm/iopl, svgalib needs write
> access to /dev/mem to operate. Therefore svgalib keeps an open
> descriptor ( number three usually ) to /dev/mem ( is it true in all cases ?
> can someone confirm that authoritatively ? ). So, we can modify our uid

[It does not need to, its yet another svgalib bug if it does.]

And the answer to svgalib as a whole is 'before installing this package
read back 2 years of bugtraq and tell me why you are installing it'

Alan

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