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Fedora 31: FEDORA-2020-cdef88bb89 Critical Credential Leak Fix for Git

fedora
Calendar Grey April 17, 2020
Dist Fedora Esm H88
Important security patch for Git released in Fedora 31 to resolve potential credential exposure through specially designed URLs. Detailed update procedure is provided.

Security fix for CVE-2020-5260 From the upstream [release notes](): > With a crafted URL that contains a newline in it, the credential > helper machinery can be fooled to ...

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.

Security fix for CVE-2020-5260 From the upstream [release

notes](): >

With a crafted URL that contains a newline in it, the credential > helper

machinery can be fooled to give credential information for > a wrong host. The

attack has been made impossible by forbidding > a newline character in any value

passed via the credential > protocol.

* Tue Apr 14 2020 Todd Zullinger <tmz@pobox.com> - 2.25.3-1

- update to 2.25.3 (CVE-2020-5260)

[ 1 ] Bug #1822020 - CVE-2020-5260 git: Crafted URL containing new lines can cause credential leak

https://bugzilla.redhat.com/show_bug.cgi?id=1822020

su -c 'dnf upgrade --advisory FEDORA-2020-cdef88bb89' 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/

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Change Log

References

Update Instructions

Severity
critical
Lowest
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Critical

Product: Fedora 31
Version: 2.25.3
Release: 1.fc31
Summary: Fast Version Control System

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