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Red Hat Enterprise: RHSA-2020-0228-01 Important: Git Update Critical Issues

red hat
Calendar Grey January 27, 2020
Dist Redhat Esm H88
Crucial git security enhancement for Red Hat Enterprise Linux tackles major vulnerabilities and bolsters system reliability.
An update for git is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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

Summary

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.
The following packages have been upgraded to a later upstream version: git (2.18.2). (BZ#1784057)
Security Fix(es):
* git: Remote code execution in recursive clones with nested submodules (CVE-2019-1387)
* git: Arbitrary path overwriting via export-marks in-stream command feature (CVE-2019-1348)
* git: Recursive submodule cloning allows using git directory twice with synonymous directory name written in .git/ (CVE-2019-1349)
* git: Files inside the .git directory may be overwritten during cloning via NTFS Alternate Data Streams (CVE-2019-1352)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory software update remote code execution important security Red Hat Enterprise git update arbitrary path overwriting

References

https://access.redhat.com/security/cve/CVE-2019-1348 https://access.redhat.com/security/cve/CVE-2019-1349 https://access.redhat.com/security/cve/CVE-2019-1352 https://access.redhat.com/security/cve/CVE-2019-1387 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source: git-2.18.2-1.el8_0.src.rpm
noarch: git-all-2.18.2-1.el8_0.noarch.rpm git-core-doc-2.18.2-1.el8_0.noarch.rpm git-email-2.18.2-1.el8_0.noarch.rpm git-gui-2.18.2-1.el8_0.noarch.rpm gitk-2.18.2-1.el8_0.noarch.rpm gitweb-2.18.2-1.el8_0.noarch.rpm perl-Git-2.18.2-1.el8_0.noarch.rpm perl-Git-SVN-2.18.2-1.el8_0.noarch.rpm
ppc64le: git-2.18.2-1.el8_0.ppc64le.rpm git-core-2.18.2-1.el8_0.ppc64le.rpm git-core-debuginfo-2.18.2-1.el8_0.ppc64le.rpm git-daemon-2.18.2-1.el8_0.ppc64le.rpm git-daemon-debuginfo-2.18.2-1.el8_0.ppc64le.rpm git-debuginfo-2.18.2-1.el8_0.ppc64le.rpm git-debugsource-2.18.2-1.el8_0.ppc64le.rpm git-instaweb-2.18.2-1.el8_0.ppc64le.rpm git-subtree-2.18.2-1.el8_0.ppc64le.rpm git-svn-2.18.2-1.el8_0.ppc64le.rpm git-svn-debuginfo-2.18.2-1.el8_0.ppc64le.rpm
x86_64: git-2.18.2-1.el8_0.x86_64.rpm git-core-2.18.2-1.el8_0.x86_64.rpm git-core-debuginfo-2.18.2-1.el8_0.x86_64.rpm git-daemon-2.18.2-1.el8_0.x86_64.rpm git-daemon-debuginfo-2.18.2-1.el8_0.x86_64.rpm git-debuginfo-2.18.2-1.el8_0.x86_64.rpm git-debugsource-2.18.2-1.el8_0.x86_64.rpm git-instaweb-2.18.2-1.el8_0.x86_64.rpm git-subtree-2.18.2-1.el8_0.x86_64.rpm git-svn-2.18.2-1.el8_0.x86_64.rpm git-svn-debuginfo-2.18.2-1.el8_0.x86_64.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0228-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0228
Issue date: 2020-01-27

Topic

An update for git is now available for Red Hat Enterprise Linux 8.0 UpdateServices for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory software update remote code execution important security Red Hat Enterprise git update arbitrary path overwriting

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - noarch, ppc64le, x86_64

Bugs Fixed

1781127 - CVE-2019-1387 git: Remote code execution in recursive clones with nested submodules

1781143 - CVE-2019-1349 git: Recursive submodule cloning allows using git directory twice with synonymous directory name written in .git/

1781953 - CVE-2019-1348 git: Arbitrary path overwriting via export-marks in-stream command feature

1781963 - CVE-2019-1352 git: Files inside the .git directory may be overwritten during cloning via NTFS Alternate Data Streams

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