Bug 1455094 – CVE-2017-15131 xdg-user-dirs, gnome-session: Xsession creation of XDG user directories does not honor system umask policy

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Bug 1455094 - (CVE-2017-15131) CVE-2017-15131 xdg-user-dirs, gnome-session: Xsession creation of XDG user directories does not honor system umask policy

Summary:	CVE-2017-15131 xdg-user-dirs, gnome-session: Xsession creation of XDG user di...

Status:	NEW

Aliases:	CVE-2017-15131

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

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

URL:
Whiteboard:	impact=low,public=20170112,reported=2...
Keywords:	Security

Depends On:	1455095 1455096 1532915
Blocks:	1455099 1498774
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Reported:	2017-05-24 05:22 EDT by Adam Mariš
Modified:	2018-05-14 07:57 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:	It was found that the system umask policy is not being honored when creating XDG user directories (~/Desktop etc) on first login. This could lead to user's files being inadvertently exposed to other local users.
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Last Closed:
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Regression:	---
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2018:0842	None	None	None	2018-04-10 04:25 EDT

Groups: None (edit)

Description Adam Mariš 2017-05-24 05:22:13 EDT

It was found that system umask policy is not being honored when creating XDG user directories, since Xsession sources xdg-user-dirs.sh before setting umask policy.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1412762

Comment 1 Adam Mariš 2017-05-24 05:22:34 EDT

Created gnome-session tracking bugs for this issue:

Affects: fedora-all [bug 1455095]


Created xdg-user-dirs tracking bugs for this issue:

Affects: fedora-all [bug 1455096]

Comment 3 errata-xmlrpc 2018-04-10 04:25:39 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:0842 https://access.redhat.com/errata/RHSA-2018:0842

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