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Red Hat Security Advisory

Synopsis: Low: xdg-user-dirs security and bug fix update
Advisory ID: RHSA-2018:0842-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0842
Issue date: 2018-04-10
CVE Names: CVE-2017-15131
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1. Summary:

An update for xdg-user-dirs is now available for Red Hat Enterprise Linux
7.

Red Hat Product Security has rated this update as having a security impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) – x86_64
Red Hat Enterprise Linux Server (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) – aarch64, ppc64le, s390x

3. Description:

xdg-user-dirs is a tool to create and configure default desktop user
directories such as the Music and the Desktop directories.

Security Fix(es):

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

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.5 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1412762 – Xsession creation of XDG user directories does not honor system umask policy
1455094 – CVE-2017-15131 xdg-user-dirs, gnome-session: Xsession creation of XDG user directories does not honor system umask policy

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
xdg-user-dirs-0.15-5.el7.src.rpm

x86_64:
xdg-user-dirs-0.15-5.el7.x86_64.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
xdg-user-dirs-0.15-5.el7.src.rpm

x86_64:
xdg-user-dirs-0.15-5.el7.x86_64.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
xdg-user-dirs-0.15-5.el7.src.rpm

ppc64:
xdg-user-dirs-0.15-5.el7.ppc64.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.ppc64.rpm

ppc64le:
xdg-user-dirs-0.15-5.el7.ppc64le.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.ppc64le.rpm

s390x:
xdg-user-dirs-0.15-5.el7.s390x.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.s390x.rpm

x86_64:
xdg-user-dirs-0.15-5.el7.x86_64.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
xdg-user-dirs-0.15-5.el7.src.rpm

aarch64:
xdg-user-dirs-0.15-5.el7.aarch64.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.aarch64.rpm

ppc64le:
xdg-user-dirs-0.15-5.el7.ppc64le.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.ppc64le.rpm

s390x:
xdg-user-dirs-0.15-5.el7.s390x.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
xdg-user-dirs-0.15-5.el7.src.rpm

x86_64:
xdg-user-dirs-0.15-5.el7.x86_64.rpm
xdg-user-dirs-debuginfo-0.15-5.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-15131
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-US/red_hat_enterprise_linux/7/html/7.5_release_notes/index.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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