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Red Hat Security Advisory 2018-3408-01

Red Hat Security Advisory 2018-3408-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3408-01 - 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. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2018-17456
SHA-256 | 51781770f2596ce6ad3280f46534ea634d590da20af0e697d7b19d6aa2107996
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Red Hat Security Advisory 2018-3408-01

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Hash: SHA256

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

Synopsis:          Important: git security update
Advisory ID:       RHSA-2018:3408-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3408
Issue date:        2018-10-30
CVE Names:         CVE-2018-17456
====================================================================
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 Important. 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) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - 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
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le, s390x

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):

* git: arbitrary code execution via .gitmodules (CVE-2018-17456)

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.

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/):

1636619 - CVE-2018-17456 git: arbitrary code execution via .gitmodules

6. Package List:

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

Source:
git-1.8.3.1-20.el7.src.rpm

noarch:
emacs-git-1.8.3.1-20.el7.noarch.rpm
emacs-git-el-1.8.3.1-20.el7.noarch.rpm
git-all-1.8.3.1-20.el7.noarch.rpm
git-bzr-1.8.3.1-20.el7.noarch.rpm
git-cvs-1.8.3.1-20.el7.noarch.rpm
git-email-1.8.3.1-20.el7.noarch.rpm
git-gui-1.8.3.1-20.el7.noarch.rpm
git-hg-1.8.3.1-20.el7.noarch.rpm
git-instaweb-1.8.3.1-20.el7.noarch.rpm
git-p4-1.8.3.1-20.el7.noarch.rpm
gitk-1.8.3.1-20.el7.noarch.rpm
gitweb-1.8.3.1-20.el7.noarch.rpm
perl-Git-1.8.3.1-20.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-20.el7.noarch.rpm

x86_64:
git-1.8.3.1-20.el7.x86_64.rpm
git-daemon-1.8.3.1-20.el7.x86_64.rpm
git-debuginfo-1.8.3.1-20.el7.x86_64.rpm
git-gnome-keyring-1.8.3.1-20.el7.x86_64.rpm
git-svn-1.8.3.1-20.el7.x86_64.rpm

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

Source:
git-1.8.3.1-20.el7.src.rpm

noarch:
emacs-git-1.8.3.1-20.el7.noarch.rpm
emacs-git-el-1.8.3.1-20.el7.noarch.rpm
git-all-1.8.3.1-20.el7.noarch.rpm
git-bzr-1.8.3.1-20.el7.noarch.rpm
git-cvs-1.8.3.1-20.el7.noarch.rpm
git-email-1.8.3.1-20.el7.noarch.rpm
git-gui-1.8.3.1-20.el7.noarch.rpm
git-hg-1.8.3.1-20.el7.noarch.rpm
git-instaweb-1.8.3.1-20.el7.noarch.rpm
git-p4-1.8.3.1-20.el7.noarch.rpm
gitk-1.8.3.1-20.el7.noarch.rpm
gitweb-1.8.3.1-20.el7.noarch.rpm
perl-Git-1.8.3.1-20.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-20.el7.noarch.rpm

x86_64:
git-1.8.3.1-20.el7.x86_64.rpm
git-daemon-1.8.3.1-20.el7.x86_64.rpm
git-debuginfo-1.8.3.1-20.el7.x86_64.rpm
git-gnome-keyring-1.8.3.1-20.el7.x86_64.rpm
git-svn-1.8.3.1-20.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
git-1.8.3.1-20.el7.src.rpm

noarch:
perl-Git-1.8.3.1-20.el7.noarch.rpm

ppc64:
git-1.8.3.1-20.el7.ppc64.rpm
git-debuginfo-1.8.3.1-20.el7.ppc64.rpm

ppc64le:
git-1.8.3.1-20.el7.ppc64le.rpm
git-debuginfo-1.8.3.1-20.el7.ppc64le.rpm

s390x:
git-1.8.3.1-20.el7.s390x.rpm
git-debuginfo-1.8.3.1-20.el7.s390x.rpm

x86_64:
git-1.8.3.1-20.el7.x86_64.rpm
git-debuginfo-1.8.3.1-20.el7.x86_64.rpm

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

Source:
git-1.8.3.1-20.el7.src.rpm

aarch64:
git-1.8.3.1-20.el7.aarch64.rpm
git-debuginfo-1.8.3.1-20.el7.aarch64.rpm

noarch:
perl-Git-1.8.3.1-20.el7.noarch.rpm

ppc64le:
git-1.8.3.1-20.el7.ppc64le.rpm
git-debuginfo-1.8.3.1-20.el7.ppc64le.rpm

s390x:
git-1.8.3.1-20.el7.s390x.rpm
git-debuginfo-1.8.3.1-20.el7.s390x.rpm

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

noarch:
emacs-git-1.8.3.1-20.el7.noarch.rpm
emacs-git-el-1.8.3.1-20.el7.noarch.rpm
git-all-1.8.3.1-20.el7.noarch.rpm
git-bzr-1.8.3.1-20.el7.noarch.rpm
git-cvs-1.8.3.1-20.el7.noarch.rpm
git-email-1.8.3.1-20.el7.noarch.rpm
git-gui-1.8.3.1-20.el7.noarch.rpm
git-hg-1.8.3.1-20.el7.noarch.rpm
git-instaweb-1.8.3.1-20.el7.noarch.rpm
git-p4-1.8.3.1-20.el7.noarch.rpm
gitk-1.8.3.1-20.el7.noarch.rpm
gitweb-1.8.3.1-20.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-20.el7.noarch.rpm

ppc64:
git-daemon-1.8.3.1-20.el7.ppc64.rpm
git-debuginfo-1.8.3.1-20.el7.ppc64.rpm
git-gnome-keyring-1.8.3.1-20.el7.ppc64.rpm
git-svn-1.8.3.1-20.el7.ppc64.rpm

ppc64le:
git-daemon-1.8.3.1-20.el7.ppc64le.rpm
git-debuginfo-1.8.3.1-20.el7.ppc64le.rpm
git-gnome-keyring-1.8.3.1-20.el7.ppc64le.rpm
git-svn-1.8.3.1-20.el7.ppc64le.rpm

s390x:
git-daemon-1.8.3.1-20.el7.s390x.rpm
git-debuginfo-1.8.3.1-20.el7.s390x.rpm
git-gnome-keyring-1.8.3.1-20.el7.s390x.rpm
git-svn-1.8.3.1-20.el7.s390x.rpm

x86_64:
git-daemon-1.8.3.1-20.el7.x86_64.rpm
git-debuginfo-1.8.3.1-20.el7.x86_64.rpm
git-gnome-keyring-1.8.3.1-20.el7.x86_64.rpm
git-svn-1.8.3.1-20.el7.x86_64.rpm

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

aarch64:
git-daemon-1.8.3.1-20.el7.aarch64.rpm
git-debuginfo-1.8.3.1-20.el7.aarch64.rpm
git-gnome-keyring-1.8.3.1-20.el7.aarch64.rpm
git-svn-1.8.3.1-20.el7.aarch64.rpm

noarch:
emacs-git-1.8.3.1-20.el7.noarch.rpm
emacs-git-el-1.8.3.1-20.el7.noarch.rpm
git-all-1.8.3.1-20.el7.noarch.rpm
git-bzr-1.8.3.1-20.el7.noarch.rpm
git-cvs-1.8.3.1-20.el7.noarch.rpm
git-email-1.8.3.1-20.el7.noarch.rpm
git-gui-1.8.3.1-20.el7.noarch.rpm
git-hg-1.8.3.1-20.el7.noarch.rpm
git-instaweb-1.8.3.1-20.el7.noarch.rpm
git-p4-1.8.3.1-20.el7.noarch.rpm
gitk-1.8.3.1-20.el7.noarch.rpm
gitweb-1.8.3.1-20.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-20.el7.noarch.rpm

ppc64le:
git-daemon-1.8.3.1-20.el7.ppc64le.rpm
git-debuginfo-1.8.3.1-20.el7.ppc64le.rpm
git-gnome-keyring-1.8.3.1-20.el7.ppc64le.rpm
git-svn-1.8.3.1-20.el7.ppc64le.rpm

s390x:
git-daemon-1.8.3.1-20.el7.s390x.rpm
git-debuginfo-1.8.3.1-20.el7.s390x.rpm
git-gnome-keyring-1.8.3.1-20.el7.s390x.rpm
git-svn-1.8.3.1-20.el7.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
git-1.8.3.1-20.el7.src.rpm

noarch:
perl-Git-1.8.3.1-20.el7.noarch.rpm

x86_64:
git-1.8.3.1-20.el7.x86_64.rpm
git-debuginfo-1.8.3.1-20.el7.x86_64.rpm

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

noarch:
emacs-git-1.8.3.1-20.el7.noarch.rpm
emacs-git-el-1.8.3.1-20.el7.noarch.rpm
git-all-1.8.3.1-20.el7.noarch.rpm
git-bzr-1.8.3.1-20.el7.noarch.rpm
git-cvs-1.8.3.1-20.el7.noarch.rpm
git-email-1.8.3.1-20.el7.noarch.rpm
git-gui-1.8.3.1-20.el7.noarch.rpm
git-hg-1.8.3.1-20.el7.noarch.rpm
git-instaweb-1.8.3.1-20.el7.noarch.rpm
git-p4-1.8.3.1-20.el7.noarch.rpm
gitk-1.8.3.1-20.el7.noarch.rpm
gitweb-1.8.3.1-20.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-20.el7.noarch.rpm

x86_64:
git-daemon-1.8.3.1-20.el7.x86_64.rpm
git-debuginfo-1.8.3.1-20.el7.x86_64.rpm
git-gnome-keyring-1.8.3.1-20.el7.x86_64.rpm
git-svn-1.8.3.1-20.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-2018-17456
https://access.redhat.com/security/updates/classification/#important

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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