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Fedora 28: 2018-75f7624a9f Critical: Git Code Execution Risk

fedora
Calendar Grey June 1, 2018
Dist Fedora Esm H88
Recent improvements in Git's .gitmodules processing mitigate risks of possible code execution vulnerabilities and address concerns related to memory leaks.
Upstream security fixes related to .gitmodules handling

Summary

Git is a fast, scalable, distributed revision control system with an

unusually rich command set that provides both high-level operations

and full access to internals.

The git rpm installs common set of tools which are usually using with

small amount of dependencies. To install all git packages, including

tools for integrating with other SCMs, install the git-all meta-package.

Upstream security fixes related to .gitmodules handling. From the [upstream

announcement](): ``` * Submodule "names" come from the untrusted

.gitmodules file, but we blindly append them to $GIT_DIR/modules to create our

on-disk repo paths. This means you can do bad things by putting "../" into the

name. We now enforce some rules for submodule names which will cause Git to

ignore these malicious names (CVE-2018-11235). Credit for finding this

vulnerability and the proof of concept from which the test script was adapted

goes to Etienne Stalmans. * It was possible to trick the code that sanity-checks paths on NTFS into reading random piece of memory (CVE-2018-11233). ```

A preliminary patch to resolve an issue with zlib on aarch64 is also included

(RHBZ#1582555).

* Tue May 29 2018 Todd Zullinger - 2.17.1-2

- packfile: Correct zlib buffer handling (#1582555)

* Tue May 29 2018 Todd Zullinger - 2.17.1-1

- Update to 2.17.1 (CVE-2018-11233, CVE-2018-11235)

* Thu May 24 2018 Todd Zullinger - 2.17.0-4

- Fix segfault in rev-parse with invalid input (#1581678)

- Move TEST_SHELL_PATH setting to config.mak

* Mon Apr 16 2018 Todd Zullinger - 2.17.0-3

- Move linkcheck macro to existing fedora/rhel > 7 block

- Re-enable t5000-tar-tree.sh test on f28

* Fri Apr 13 2018 Pavel Cahyna

- Use BuildRequires: perl-interpreter per the packaging guidelines

- Update conditions for future RHEL

* Tue Apr 10 2018 Todd Zullinger - 2.17.0-2

- Require perl-generators on EL > 7

* Mon Apr 9 2018 Todd Zullinger

- daemon: use --log-destination=stderr with systemd

- daemon: fix condition for redirecting stderr

- git-svn: avoid uninitialized value warning

* Sun Apr 8 2018 Todd Zullinger

- Clean up redundant and unneeded Requires

* Sat Apr 7 2018 Todd Zullinger

- Remove Git::LoadCPAN to ensure we use only system perl modules

[ 1 ] Bug #1583862 - CVE-2018-11235 git: arbitrary code execution when recursively cloning a malicious repository

https://bugzilla.redhat.com/show_bug.cgi?id=1583862

[ 2 ] Bug #1583888 - CVE-2018-11233 git: path sanity-checks on NTFS can read arbitrary memory

https://bugzilla.redhat.com/show_bug.cgi?id=1583888

su -c 'dnf upgrade --advisory FEDORA-2018-75f7624a9f' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

package-announce mailing list -- package-announce@lists.fedoraproject.org

To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org

Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/

List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines

List Archives: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZDKYTV3LSCNQMBQXEHWGWIWGJUILTTE/

Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
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Critical

Product: Fedora 28
Version: 2.17.1
Release: 2.fc28
Summary: Fast Version Control System

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