Sigurnosni propust programskog paketa git

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Red Hat Security Advisory

Synopsis: Moderate: git security update
Advisory ID: RHSA-2015:2561-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-2561.html
Issue date: 2015-12-08
=====================================================================

1. Summary:

Updated git packages that fix one security issue are now available for Red
Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Moderate 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 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.

A flaw was found in the way the git-remote-ext helper processed certain
URLs. If a user had Git configured to automatically clone submodules from
untrusted repositories, an attacker could inject commands into the URL of a
submodule, allowing them to execute arbitrary code on the user’s system.
(BZ#1269794)

All git users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue.

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/):

1269794 – git: arbitrary code execution via crafted URLs

6. Package List:

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

Source:
git-1.8.3.1-6.el7.src.rpm

noarch:
emacs-git-1.8.3.1-6.el7.noarch.rpm
emacs-git-el-1.8.3.1-6.el7.noarch.rpm
git-all-1.8.3.1-6.el7.noarch.rpm
git-bzr-1.8.3.1-6.el7.noarch.rpm
git-cvs-1.8.3.1-6.el7.noarch.rpm
git-email-1.8.3.1-6.el7.noarch.rpm
git-gui-1.8.3.1-6.el7.noarch.rpm
git-hg-1.8.3.1-6.el7.noarch.rpm
git-p4-1.8.3.1-6.el7.noarch.rpm
gitk-1.8.3.1-6.el7.noarch.rpm
gitweb-1.8.3.1-6.el7.noarch.rpm
perl-Git-1.8.3.1-6.el7.noarch.rpm
perl-Git-SVN-1.8.3.1-6.el7.noarch.rpm

x86_64:
git-1.8.3.1-6.el7.x86_64.rpm
git-daemon-1.8.3.1-6.el7.x86_64.rpm
git-debuginfo-1.8.3.1-6.el7.x86_64.rpm
git-svn-1.8.3.1-6.el7.x86_64.rpm

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

Source:
git-1.8.3.1-6.el7.src.rpm

x86_64:
git-1.8.3.1-6.el7.x86_64.rpm
git-daemon-1.8.3.1-6.el7.x86_64.rpm
git-debuginfo-1.8.3.1-6.el7.x86_64.rpm
git-svn-1.8.3.1-6.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
git-1.8.3.1-6.el7.src.rpm

aarch64:
git-1.8.3.1-6.el7.aarch64.rpm
git-debuginfo-1.8.3.1-6.el7.aarch64.rpm

noarch:
perl-Git-1.8.3.1-6.el7.noarch.rpm

ppc64:
git-1.8.3.1-6.el7.ppc64.rpm
git-debuginfo-1.8.3.1-6.el7.ppc64.rpm

ppc64le:
git-1.8.3.1-6.el7.ppc64le.rpm
git-debuginfo-1.8.3.1-6.el7.ppc64le.rpm

s390x:
git-1.8.3.1-6.el7.s390x.rpm
git-debuginfo-1.8.3.1-6.el7.s390x.rpm

x86_64:
git-1.8.3.1-6.el7.x86_64.rpm
git-debuginfo-1.8.3.1-6.el7.x86_64.rpm

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

aarch64:
git-daemon-1.8.3.1-6.el7.aarch64.rpm
git-debuginfo-1.8.3.1-6.el7.aarch64.rpm
git-svn-1.8.3.1-6.el7.aarch64.rpm

ppc64:
git-daemon-1.8.3.1-6.el7.ppc64.rpm
git-debuginfo-1.8.3.1-6.el7.ppc64.rpm
git-svn-1.8.3.1-6.el7.ppc64.rpm

ppc64le:
git-daemon-1.8.3.1-6.el7.ppc64le.rpm
git-debuginfo-1.8.3.1-6.el7.ppc64le.rpm
git-svn-1.8.3.1-6.el7.ppc64le.rpm

s390x:
git-daemon-1.8.3.1-6.el7.s390x.rpm
git-debuginfo-1.8.3.1-6.el7.s390x.rpm
git-svn-1.8.3.1-6.el7.s390x.rpm

x86_64:
git-daemon-1.8.3.1-6.el7.x86_64.rpm
git-debuginfo-1.8.3.1-6.el7.x86_64.rpm
git-svn-1.8.3.1-6.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
git-1.8.3.1-6.el7.src.rpm

noarch:
perl-Git-1.8.3.1-6.el7.noarch.rpm

x86_64:
git-1.8.3.1-6.el7.x86_64.rpm
git-debuginfo-1.8.3.1-6.el7.x86_64.rpm

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

x86_64:
git-daemon-1.8.3.1-6.el7.x86_64.rpm
git-debuginfo-1.8.3.1-6.el7.x86_64.rpm
git-svn-1.8.3.1-6.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/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

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