[ GLSA 202004-13 ] Git: Information disclosure

Thomas Deutschmann <[email protected]> Thu, 23 Apr 2020 17:17:23 +0200
Newsgroups	gmane.linux.gentoo.announce
Organization	Gentoo Foundation, Inc
Message-ID	<[email protected]>
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Gentoo Linux Security Advisory                           GLSA 202004-13
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: Git: Information disclosure
     Date: April 23, 2020
     Bugs: #717156, #718710
       ID: 202004-13

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Synopsis
========

Multiple vulnerabilities have been found in Git which might all allow
attackers to access sensitive information.

Background
==========

Git is a free and open source distributed version control system
designed to handle everything from small to very large projects with
speed and efficiency.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-vcs/git                  < 2.26.2                 *>= 2.23.3
                                                           *>= 2.24.3
                                                           *>= 2.25.4
                                                           *>= 2.26.2

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

Multiple vulnerabilities have been discovered in Git. Please review the
CVE identifiers referenced below for details.

Impact
======

A remote attacker, by providing a specially crafted URL, could possibly
trick Git into returning credential information for a wrong host.

Workaround
==========

Disabling credential helpers will prevent this vulnerability.

Resolution
==========

All Git 2.23.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.23.3"

All Git 2.24.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.24.3"

All Git 2.25.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.25.4"

All Git 2.26.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.26.2"

References
==========

[ 1 ] CVE-2020-11008
      https://nvd.nist.gov/vuln/detail/CVE-2020-11008
[ 2 ] CVE-2020-5260
      https://nvd.nist.gov/vuln/detail/CVE-2020-5260

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

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

 https://security.gentoo.org/glsa/202004-13

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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