Bug 10463 – root has access to display 0.0 even if xhost or DISPLAY not set.

Bug 10463 - root has access to display 0.0 even if xhost or DISPLAY not set.

Summary:	root has access to display 0.0 even if xhost or DISPLAY not set.

Status:	CLOSED NOTABUG

Aliases:	None

Product:	Red Hat Linux
Classification:	Retired
Component:	XFree86 (Show other bugs)
Sub Component:
Version:	6.2
Hardware:	i386 Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Preston Brown
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Keywords:	Security

Depends On:
Blocks:
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Reported:	2000-03-30 18:04 EST by mw
Modified:	2008-05-01 11:37 EDT (History)
CC List:	1 user (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
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Last Closed:	2000-03-31 10:50:33 EST
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Description mw 2000-03-30 18:04:13 EST

I create a new user ab, so that no local config could have effect.
I login as user ab, then, in a gnome terminal, I issue

su -
Password:
xterm&

and to my amazement, the xterm started with no errors.

I cannot decide if this is a feature or bug.

Thx

Mate

---
Mate Wierdl | Dept. of Math. Sciences | University of Memphis

Comment 1 Bill Nottingham 2000-03-31 10:50:59 EST

It's a feature of pam_xauth; it passes X cookies along with
su. See 'man pam_xauth' for more details.

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