Bug 1219548 – CVE-2015-3164 xorg-x11-server: Xwayland allows unconditional open access to display

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Bug 1219548 - (CVE-2015-3164) CVE-2015-3164 xorg-x11-server: Xwayland allows unconditional open access to display

Summary:	CVE-2015-3164 xorg-x11-server: Xwayland allows unconditional open access to d...

Status:	NEW

Aliases:	CVE-2015-3164

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	high Severity high
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=important,public=20150610,repo...
Keywords:	Security

Depends On:	1232131
Blocks:	1225834
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Reported:	2015-05-07 10:53 EDT by Martin Prpič
Modified:	2015-06-16 11:27 EDT (History)
CC List:	3 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
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Regression:	---
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RHEL 7.3 requirements from Atomic Host:
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Description Martin Prpič 2015-05-07 10:53:00 EDT

It was found that Xwayland allowed users to access a display even if it was started with the "-auth" option.

Furthermore, current wayland compositors (including weston, mutter, and, probably, all others), neglect to start Xwayland with "-auth".

Comment 3 Tomas Hoger 2015-06-16 02:25:08 EDT

Upstream advisory:

http://lists.x.org/archives/xorg-announce/2015-June/002611.html

Upstream commits:

http://cgit.freedesktop.org/xorg/xserver/commit/?id=c4534a38b68aa07fb82318040dc8154fb48a9588
http://cgit.freedesktop.org/xorg/xserver/commit/?id=4b4b9086d02b80549981d205fb1f495edc373538
http://cgit.freedesktop.org/xorg/xserver/commit/?id=76636ac12f2d1dbdf7be08222f80e7505d53c451

Comment 4 Tomas Hoger 2015-06-16 02:27:46 EDT

Statement:

Not vulnerable. This issue did not affect the versions of xorg-x11-server as shipped with Red Hat Enterprise Linux 5, 6, and 7.

Comment 5 Tomas Hoger 2015-06-16 02:28:05 EDT

Created xorg-x11-server tracking bugs for this issue:

Affects: fedora-all [bug 1232131]

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