[RHSA-2015:0535-01] Low: GNOME Shell security, bug fix, and enhancement update

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Red Hat Security Advisory

 

Synopsis: Low: GNOME Shell security, bug fix, and enhancement update

Advisory ID: RHSA-2015:0535-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0535.html

Issue date: 2015-03-05

CVE Names: CVE-2014-7300

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1. Summary:

 

Updated gnome-shell, mutter, clutter, and cogl packages that fix one

security issue, several bugs, and add one enhancement are now available for

Red Hat Enterprise Linux 7.

 

Red Hat Product Security has rated this update as having Low security

impact. A Common Vulnerability Scoring System (CVSS) base score, which

gives a detailed severity rating, is available from the CVE link in the

References section.

 

2. Relevant releases/architectures:

 

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64

 

3. Description:

 

GNOME Shell and the packages it depends upon provide the core user

interface of the Red Hat Enterprise Linux desktop, including functions such

as navigating between windows and launching applications.

 

It was found that the GNOME shell did not disable the Print Screen key when

the screen was locked. This could allow an attacker with physical access to

a system with a locked screen to crash the screen-locking application by

creating a large amount of screenshots. (CVE-2014-7300)

 

This update also fixes the following bugs:

 

* The Timed Login feature, which automatically logs in a specified user

after a specified period of time, stopped working after the first user of

the GUI logged out. This has been fixed, and the specified user is always

logged in if no one else logs in. (BZ#1043571)

 

* If two monitors were arranged vertically with the secondary monitor above

the primary monitor, it was impossible to move windows onto the secondary

monitor. With this update, windows can be moved through the upper edge of

the first monitor to the secondary monitor. (BZ#1075240)

 

* If the Gnome Display Manager (GDM) user list was disabled and a user

entered the user name, the password prompt did not appear. Instead, the

user had to enter the user name one more time. The GDM code that contained

this error has been fixed, and users can enter their user names and

passwords as expected. (BZ#1109530)

 

* Prior to this update, only a small area was available on the GDM login

screen for a custom text banner. As a consequence, when a long banner was

used, it did not fit into the area, and the person reading the banner had

to use scrollbars to view the whole text. With this update, more space is

used for the banner if necessary, which allows the user to read the message

conveniently. (BZ#1110036)

 

* When the Cancel button was pressed while an LDAP user name and password

was being validated, the GDM code did not handle the situation correctly.

As a consequence, GDM became unresponsive, and it was impossible to return

to the login screen. The affected code has been fixed, and LDAP user

validation can be canceled, allowing another user to log in instead.

(BZ#1137041)

 

* If the window focus mode in GNOME was set to "mouse" or "sloppy",

navigating through areas of a pop-up menu displayed outside its parent

window caused the window to lose its focus. Consequently, the menu was not

usable. This has been fixed, and the window focus is kept in under this

scenario. (BZ#1149585)

 

* If user authentication is configured to require a smart card to log in,

user names are obtained from the smart card. The authentication is then

performed by entering the smart card PIN. Prior to this update, the login

screen allowed a user name to be entered if no smart card was inserted, but

due to a bug in the underlying code, the screen became unresponsive. If, on

the other hand, a smart card was used for authentication, the user was

logged in as soon as the authentication was complete. As a consequence, it

was impossible to select a session other than GNOME Classic. Both of these

problems have been fixed. Now, a smart card is required when this type of

authentication is enabled, and any other installed session can be selected

by the user. (BZ#1159385, BZ#1163474)

 

In addition, this update adds the following enhancement:

 

* Support for quad-buffer OpenGL stereo visuals has been added. As a

result, OpenGL applications that use quad-buffer stereo can be run and

properly displayed within the GNOME desktop when used with a video driver

and hardware with the necessary capabilities. (BZ#861507, BZ#1108890,

BZ#1108891, BZ#1108893)

 

All GNOME Shell users are advised to upgrade to these updated packages,

which contain backported patches to correct these issues and add this

enhancement.

 

4. Solution:

 

Before applying this update, make sure all previously released errata

relevant to your system have been applied.

 

For details on how to apply this update, refer to:

 

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

 

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

 

1043571 - Timed Login Failure

1052201 - Details -- Default Applications -- calendar

1092102 - workspaces thumbnails in overview too narrow with large number of workspaces

1108322 - Qt menu placement problem with gnome-shell and vertical monitors

1126754 - Workspace window placement is not persistent if monitors are switched

1137041 - GDM hangs when cancelling ldap user login

1147917 - CVE-2014-7300 gnome-shell: lockscreen bypass with printscreen key

1149585 - sloppy/mouse focus mode break with long pull-down menus

1153641 - [multi-head] Window is moved on its own to other screen

1154107 - CVE-2014-7300 gnome-shell: lockscreen bypass with printscreen key [rhel-7.1]

1154122 - Respect disable-save-to-disk lockdown setting

1159385 - GDM does not prompt for smartcard

1163474 - pam_pkcs11 with card_only breaks session selection

 

6. Package List:

 

Red Hat Enterprise Linux Client (v. 7):

 

Source:

clutter-1.14.4-12.el7.src.rpm

cogl-1.14.0-6.el7.src.rpm

gnome-shell-3.8.4-45.el7.src.rpm

mutter-3.8.4-16.el7.src.rpm

 

x86_64:

clutter-1.14.4-12.el7.i686.rpm

clutter-1.14.4-12.el7.x86_64.rpm

clutter-debuginfo-1.14.4-12.el7.i686.rpm

clutter-debuginfo-1.14.4-12.el7.x86_64.rpm

cogl-1.14.0-6.el7.i686.rpm

cogl-1.14.0-6.el7.x86_64.rpm

cogl-debuginfo-1.14.0-6.el7.i686.rpm

cogl-debuginfo-1.14.0-6.el7.x86_64.rpm

gnome-shell-3.8.4-45.el7.x86_64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.x86_64.rpm

mutter-3.8.4-16.el7.i686.rpm

mutter-3.8.4-16.el7.x86_64.rpm

mutter-debuginfo-3.8.4-16.el7.i686.rpm

mutter-debuginfo-3.8.4-16.el7.x86_64.rpm

 

Red Hat Enterprise Linux Client Optional (v. 7):

 

noarch:

cogl-doc-1.14.0-6.el7.noarch.rpm

 

x86_64:

clutter-debuginfo-1.14.4-12.el7.i686.rpm

clutter-debuginfo-1.14.4-12.el7.x86_64.rpm

clutter-devel-1.14.4-12.el7.i686.rpm

clutter-devel-1.14.4-12.el7.x86_64.rpm

clutter-doc-1.14.4-12.el7.x86_64.rpm

cogl-debuginfo-1.14.0-6.el7.i686.rpm

cogl-debuginfo-1.14.0-6.el7.x86_64.rpm

cogl-devel-1.14.0-6.el7.i686.rpm

cogl-devel-1.14.0-6.el7.x86_64.rpm

gnome-shell-browser-plugin-3.8.4-45.el7.x86_64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.x86_64.rpm

mutter-debuginfo-3.8.4-16.el7.i686.rpm

mutter-debuginfo-3.8.4-16.el7.x86_64.rpm

mutter-devel-3.8.4-16.el7.i686.rpm

mutter-devel-3.8.4-16.el7.x86_64.rpm

 

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

 

Source:

clutter-1.14.4-12.el7.src.rpm

cogl-1.14.0-6.el7.src.rpm

gnome-shell-3.8.4-45.el7.src.rpm

mutter-3.8.4-16.el7.src.rpm

 

noarch:

cogl-doc-1.14.0-6.el7.noarch.rpm

 

x86_64:

clutter-1.14.4-12.el7.i686.rpm

clutter-1.14.4-12.el7.x86_64.rpm

clutter-debuginfo-1.14.4-12.el7.i686.rpm

clutter-debuginfo-1.14.4-12.el7.x86_64.rpm

clutter-devel-1.14.4-12.el7.i686.rpm

clutter-devel-1.14.4-12.el7.x86_64.rpm

clutter-doc-1.14.4-12.el7.x86_64.rpm

cogl-1.14.0-6.el7.i686.rpm

cogl-1.14.0-6.el7.x86_64.rpm

cogl-debuginfo-1.14.0-6.el7.i686.rpm

cogl-debuginfo-1.14.0-6.el7.x86_64.rpm

cogl-devel-1.14.0-6.el7.i686.rpm

cogl-devel-1.14.0-6.el7.x86_64.rpm

gnome-shell-3.8.4-45.el7.x86_64.rpm

gnome-shell-browser-plugin-3.8.4-45.el7.x86_64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.x86_64.rpm

mutter-3.8.4-16.el7.i686.rpm

mutter-3.8.4-16.el7.x86_64.rpm

mutter-debuginfo-3.8.4-16.el7.i686.rpm

mutter-debuginfo-3.8.4-16.el7.x86_64.rpm

mutter-devel-3.8.4-16.el7.i686.rpm

mutter-devel-3.8.4-16.el7.x86_64.rpm

 

Red Hat Enterprise Linux Server (v. 7):

 

Source:

clutter-1.14.4-12.el7.src.rpm

cogl-1.14.0-6.el7.src.rpm

gnome-shell-3.8.4-45.el7.src.rpm

mutter-3.8.4-16.el7.src.rpm

 

ppc64:

clutter-1.14.4-12.el7.ppc.rpm

clutter-1.14.4-12.el7.ppc64.rpm

clutter-debuginfo-1.14.4-12.el7.ppc.rpm

clutter-debuginfo-1.14.4-12.el7.ppc64.rpm

cogl-1.14.0-6.el7.ppc.rpm

cogl-1.14.0-6.el7.ppc64.rpm

cogl-debuginfo-1.14.0-6.el7.ppc.rpm

cogl-debuginfo-1.14.0-6.el7.ppc64.rpm

gnome-shell-3.8.4-45.el7.ppc64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.ppc64.rpm

mutter-3.8.4-16.el7.ppc.rpm

mutter-3.8.4-16.el7.ppc64.rpm

mutter-debuginfo-3.8.4-16.el7.ppc.rpm

mutter-debuginfo-3.8.4-16.el7.ppc64.rpm

 

s390x:

clutter-1.14.4-12.el7.s390.rpm

clutter-1.14.4-12.el7.s390x.rpm

clutter-debuginfo-1.14.4-12.el7.s390.rpm

clutter-debuginfo-1.14.4-12.el7.s390x.rpm

cogl-1.14.0-6.el7.s390.rpm

cogl-1.14.0-6.el7.s390x.rpm

cogl-debuginfo-1.14.0-6.el7.s390.rpm

cogl-debuginfo-1.14.0-6.el7.s390x.rpm

gnome-shell-3.8.4-45.el7.s390x.rpm

gnome-shell-debuginfo-3.8.4-45.el7.s390x.rpm

mutter-3.8.4-16.el7.s390.rpm

mutter-3.8.4-16.el7.s390x.rpm

mutter-debuginfo-3.8.4-16.el7.s390.rpm

mutter-debuginfo-3.8.4-16.el7.s390x.rpm

 

x86_64:

clutter-1.14.4-12.el7.i686.rpm

clutter-1.14.4-12.el7.x86_64.rpm

clutter-debuginfo-1.14.4-12.el7.i686.rpm

clutter-debuginfo-1.14.4-12.el7.x86_64.rpm

cogl-1.14.0-6.el7.i686.rpm

cogl-1.14.0-6.el7.x86_64.rpm

cogl-debuginfo-1.14.0-6.el7.i686.rpm

cogl-debuginfo-1.14.0-6.el7.x86_64.rpm

gnome-shell-3.8.4-45.el7.x86_64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.x86_64.rpm

mutter-3.8.4-16.el7.i686.rpm

mutter-3.8.4-16.el7.x86_64.rpm

mutter-debuginfo-3.8.4-16.el7.i686.rpm

mutter-debuginfo-3.8.4-16.el7.x86_64.rpm

 

Red Hat Enterprise Linux Server Optional (v. 7):

 

noarch:

cogl-doc-1.14.0-6.el7.noarch.rpm

 

ppc64:

clutter-debuginfo-1.14.4-12.el7.ppc.rpm

clutter-debuginfo-1.14.4-12.el7.ppc64.rpm

clutter-devel-1.14.4-12.el7.ppc.rpm

clutter-devel-1.14.4-12.el7.ppc64.rpm

clutter-doc-1.14.4-12.el7.ppc64.rpm

cogl-debuginfo-1.14.0-6.el7.ppc.rpm

cogl-debuginfo-1.14.0-6.el7.ppc64.rpm

cogl-devel-1.14.0-6.el7.ppc.rpm

cogl-devel-1.14.0-6.el7.ppc64.rpm

gnome-shell-browser-plugin-3.8.4-45.el7.ppc64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.ppc64.rpm

mutter-debuginfo-3.8.4-16.el7.ppc.rpm

mutter-debuginfo-3.8.4-16.el7.ppc64.rpm

mutter-devel-3.8.4-16.el7.ppc.rpm

mutter-devel-3.8.4-16.el7.ppc64.rpm

 

s390x:

clutter-debuginfo-1.14.4-12.el7.s390.rpm

clutter-debuginfo-1.14.4-12.el7.s390x.rpm

clutter-devel-1.14.4-12.el7.s390.rpm

clutter-devel-1.14.4-12.el7.s390x.rpm

clutter-doc-1.14.4-12.el7.s390x.rpm

cogl-debuginfo-1.14.0-6.el7.s390.rpm

cogl-debuginfo-1.14.0-6.el7.s390x.rpm

cogl-devel-1.14.0-6.el7.s390.rpm

cogl-devel-1.14.0-6.el7.s390x.rpm

gnome-shell-browser-plugin-3.8.4-45.el7.s390x.rpm

gnome-shell-debuginfo-3.8.4-45.el7.s390x.rpm

mutter-debuginfo-3.8.4-16.el7.s390.rpm

mutter-debuginfo-3.8.4-16.el7.s390x.rpm

mutter-devel-3.8.4-16.el7.s390.rpm

mutter-devel-3.8.4-16.el7.s390x.rpm

 

x86_64:

clutter-debuginfo-1.14.4-12.el7.i686.rpm

clutter-debuginfo-1.14.4-12.el7.x86_64.rpm

clutter-devel-1.14.4-12.el7.i686.rpm

clutter-devel-1.14.4-12.el7.x86_64.rpm

clutter-doc-1.14.4-12.el7.x86_64.rpm

cogl-debuginfo-1.14.0-6.el7.i686.rpm

cogl-debuginfo-1.14.0-6.el7.x86_64.rpm

cogl-devel-1.14.0-6.el7.i686.rpm

cogl-devel-1.14.0-6.el7.x86_64.rpm

gnome-shell-browser-plugin-3.8.4-45.el7.x86_64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.x86_64.rpm

mutter-debuginfo-3.8.4-16.el7.i686.rpm

mutter-debuginfo-3.8.4-16.el7.x86_64.rpm

mutter-devel-3.8.4-16.el7.i686.rpm

mutter-devel-3.8.4-16.el7.x86_64.rpm

 

Red Hat Enterprise Linux Workstation (v. 7):

 

Source:

clutter-1.14.4-12.el7.src.rpm

cogl-1.14.0-6.el7.src.rpm

gnome-shell-3.8.4-45.el7.src.rpm

mutter-3.8.4-16.el7.src.rpm

 

x86_64:

clutter-1.14.4-12.el7.i686.rpm

clutter-1.14.4-12.el7.x86_64.rpm

clutter-debuginfo-1.14.4-12.el7.i686.rpm

clutter-debuginfo-1.14.4-12.el7.x86_64.rpm

cogl-1.14.0-6.el7.i686.rpm

cogl-1.14.0-6.el7.x86_64.rpm

cogl-debuginfo-1.14.0-6.el7.i686.rpm

cogl-debuginfo-1.14.0-6.el7.x86_64.rpm

gnome-shell-3.8.4-45.el7.x86_64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.x86_64.rpm

mutter-3.8.4-16.el7.i686.rpm

mutter-3.8.4-16.el7.x86_64.rpm

mutter-debuginfo-3.8.4-16.el7.i686.rpm

mutter-debuginfo-3.8.4-16.el7.x86_64.rpm

 

Red Hat Enterprise Linux Workstation Optional (v. 7):

 

noarch:

cogl-doc-1.14.0-6.el7.noarch.rpm

 

x86_64:

clutter-debuginfo-1.14.4-12.el7.i686.rpm

clutter-debuginfo-1.14.4-12.el7.x86_64.rpm

clutter-devel-1.14.4-12.el7.i686.rpm

clutter-devel-1.14.4-12.el7.x86_64.rpm

clutter-doc-1.14.4-12.el7.x86_64.rpm

cogl-debuginfo-1.14.0-6.el7.i686.rpm

cogl-debuginfo-1.14.0-6.el7.x86_64.rpm

cogl-devel-1.14.0-6.el7.i686.rpm

cogl-devel-1.14.0-6.el7.x86_64.rpm

gnome-shell-browser-plugin-3.8.4-45.el7.x86_64.rpm

gnome-shell-debuginfo-3.8.4-45.el7.x86_64.rpm

mutter-debuginfo-3.8.4-16.el7.i686.rpm

mutter-debuginfo-3.8.4-16.el7.x86_64.rpm

mutter-devel-3.8.4-16.el7.i686.rpm

mutter-devel-3.8.4-16.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-2014-7300

https://access.redhat.com/security/updates/classification/#low

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2015 Red Hat, Inc.

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