[ GLSA 202009-08 ] GNOME Shell: Information disclosure

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Gentoo Linux Security Advisory                           GLSA 202009-08
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: GNOME Shell: Information disclosure
     Date: September 13, 2020
     Bugs: #736802
       ID: 202009-08

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Synopsis
========

An information disclosure vulnerability in GNOME Shell might allow
local attackers to obtain sensitive information.

Background
==========

GNOME Shell provides core user interface functions for the GNOME 3
desktop, like switching to windows and launching applications.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  gnome-base/gnome-shell     < 3.34.5-r1              >= 3.34.5-r1

Description
===========

It was discovered that GNOME Shell incorrectly handled the login screen
password dialog.

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GNOME Shell users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=gnome-base/gnome-shell-3.34.5-r1"

References
==========

[ 1 ] CVE-2020-17489
      https://nvd.nist.gov/vuln/detail/CVE-2020-17489

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202009-08

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

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