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Sicherheit: Zwei Probleme in Git
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Git
ID: RHSA-2017:2004-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Di, 1. August 2017, 23:39
Referenzen: https://access.redhat.com/security/cve/CVE-2017-8386
https://access.redhat.com/security/cve/CVE-2014-9938

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: git security and bug fix update
Advisory ID: RHSA-2017:2004-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:2004
Issue date: 2017-08-01
CVE Names: CVE-2014-9938 CVE-2017-8386
=====================================================================

1. Summary:

An update for git is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - aarch64, noarch, ppc64, ppc64le,
s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, noarch, ppc64,
ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64

3. Description:

Git is a distributed revision control system with a decentralized
architecture. As opposed to centralized version control systems with a
client-server model, Git ensures that each working copy of a Git repository
is an exact copy with complete revision history. This not only allows the
user to work on and contribute to projects without the need to have
permission to push the changes to their official repositories, but also
makes it possible for the user to work with no network connection.

Security Fix(es):

* It was found that the git-prompt.sh script shipped with git failed to
correctly handle branch names containing special characters. A specially
crafted git repository could use this flaw to execute arbitrary commands if
a user working with the repository configured their shell to include
repository information in the prompt. (CVE-2014-9938)

* A flaw was found in the way git-shell handled command-line options for
the restricted set of git-shell commands. A remote, authenticated attacker
could use this flaw to bypass git-shell restrictions, to view and
manipulate files, by abusing the instance of the less command launched
using crafted command-line options. (CVE-2017-8386)

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.4 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/):

1369173 - Git is unable to use HTTP(S)-SSO because of fix for CVE-2011-2192
[el7]
1434415 - CVE-2014-9938 git: git-prompt.sh does not sanitize branch names in
$PS1
1450407 - CVE-2017-8386 git: Escape out of git-shell

6. Package List:

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

Source:
git-1.8.3.1-11.el7.src.rpm

noarch:
emacs-git-1.8.3.1-11.el7.noarch.rpm
emacs-git-el-1.8.3.1-11.el7.noarch.rpm
git-all-1.8.3.1-11.el7.noarch.rpm
git-bzr-1.8.3.1-11.el7.noarch.rpm
git-cvs-1.8.3.1-11.el7.noarch.rpm
git-email-1.8.3.1-11.el7.noarch.rpm
git-gui-1.8.3.1-11.el7.noarch.rpm
git-hg-1.8.3.1-11.el7.noarch.rpm
git-p4-1.8.3.1-11.el7.noarch.rpm
gitk-1.8.3.1-11.el7.noarch.rpm
gitweb-1.8.3.1-11.el7.noarch.rpm
perl-Git-1.8.3.1-11.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-11.el7.noarch.rpm

x86_64:
git-1.8.3.1-11.el7.x86_64.rpm
git-daemon-1.8.3.1-11.el7.x86_64.rpm
git-debuginfo-1.8.3.1-11.el7.x86_64.rpm
git-svn-1.8.3.1-11.el7.x86_64.rpm

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

Source:
git-1.8.3.1-11.el7.src.rpm

noarch:
emacs-git-1.8.3.1-11.el7.noarch.rpm
emacs-git-el-1.8.3.1-11.el7.noarch.rpm
git-all-1.8.3.1-11.el7.noarch.rpm
git-bzr-1.8.3.1-11.el7.noarch.rpm
git-cvs-1.8.3.1-11.el7.noarch.rpm
git-email-1.8.3.1-11.el7.noarch.rpm
git-gui-1.8.3.1-11.el7.noarch.rpm
git-hg-1.8.3.1-11.el7.noarch.rpm
git-p4-1.8.3.1-11.el7.noarch.rpm
gitk-1.8.3.1-11.el7.noarch.rpm
gitweb-1.8.3.1-11.el7.noarch.rpm
perl-Git-1.8.3.1-11.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-11.el7.noarch.rpm

x86_64:
git-1.8.3.1-11.el7.x86_64.rpm
git-daemon-1.8.3.1-11.el7.x86_64.rpm
git-debuginfo-1.8.3.1-11.el7.x86_64.rpm
git-svn-1.8.3.1-11.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
git-1.8.3.1-11.el7.src.rpm

aarch64:
git-1.8.3.1-11.el7.aarch64.rpm
git-debuginfo-1.8.3.1-11.el7.aarch64.rpm

noarch:
perl-Git-1.8.3.1-11.el7.noarch.rpm

ppc64:
git-1.8.3.1-11.el7.ppc64.rpm
git-debuginfo-1.8.3.1-11.el7.ppc64.rpm

ppc64le:
git-1.8.3.1-11.el7.ppc64le.rpm
git-debuginfo-1.8.3.1-11.el7.ppc64le.rpm

s390x:
git-1.8.3.1-11.el7.s390x.rpm
git-debuginfo-1.8.3.1-11.el7.s390x.rpm

x86_64:
git-1.8.3.1-11.el7.x86_64.rpm
git-debuginfo-1.8.3.1-11.el7.x86_64.rpm

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

aarch64:
git-daemon-1.8.3.1-11.el7.aarch64.rpm
git-debuginfo-1.8.3.1-11.el7.aarch64.rpm
git-svn-1.8.3.1-11.el7.aarch64.rpm

noarch:
emacs-git-1.8.3.1-11.el7.noarch.rpm
emacs-git-el-1.8.3.1-11.el7.noarch.rpm
git-all-1.8.3.1-11.el7.noarch.rpm
git-bzr-1.8.3.1-11.el7.noarch.rpm
git-cvs-1.8.3.1-11.el7.noarch.rpm
git-email-1.8.3.1-11.el7.noarch.rpm
git-gui-1.8.3.1-11.el7.noarch.rpm
git-hg-1.8.3.1-11.el7.noarch.rpm
git-p4-1.8.3.1-11.el7.noarch.rpm
gitk-1.8.3.1-11.el7.noarch.rpm
gitweb-1.8.3.1-11.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-11.el7.noarch.rpm

ppc64:
git-daemon-1.8.3.1-11.el7.ppc64.rpm
git-debuginfo-1.8.3.1-11.el7.ppc64.rpm
git-svn-1.8.3.1-11.el7.ppc64.rpm

ppc64le:
git-daemon-1.8.3.1-11.el7.ppc64le.rpm
git-debuginfo-1.8.3.1-11.el7.ppc64le.rpm
git-svn-1.8.3.1-11.el7.ppc64le.rpm

s390x:
git-daemon-1.8.3.1-11.el7.s390x.rpm
git-debuginfo-1.8.3.1-11.el7.s390x.rpm
git-svn-1.8.3.1-11.el7.s390x.rpm

x86_64:
git-daemon-1.8.3.1-11.el7.x86_64.rpm
git-debuginfo-1.8.3.1-11.el7.x86_64.rpm
git-svn-1.8.3.1-11.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
git-1.8.3.1-11.el7.src.rpm

noarch:
perl-Git-1.8.3.1-11.el7.noarch.rpm

x86_64:
git-1.8.3.1-11.el7.x86_64.rpm
git-debuginfo-1.8.3.1-11.el7.x86_64.rpm

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

noarch:
emacs-git-1.8.3.1-11.el7.noarch.rpm
emacs-git-el-1.8.3.1-11.el7.noarch.rpm
git-all-1.8.3.1-11.el7.noarch.rpm
git-bzr-1.8.3.1-11.el7.noarch.rpm
git-cvs-1.8.3.1-11.el7.noarch.rpm
git-email-1.8.3.1-11.el7.noarch.rpm
git-gui-1.8.3.1-11.el7.noarch.rpm
git-hg-1.8.3.1-11.el7.noarch.rpm
git-p4-1.8.3.1-11.el7.noarch.rpm
gitk-1.8.3.1-11.el7.noarch.rpm
gitweb-1.8.3.1-11.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-11.el7.noarch.rpm

x86_64:
git-daemon-1.8.3.1-11.el7.x86_64.rpm
git-debuginfo-1.8.3.1-11.el7.x86_64.rpm
git-svn-1.8.3.1-11.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-2014-9938
https://access.redhat.com/security/cve/CVE-2017-8386
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_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 2017 Red Hat, Inc.
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