Bug 1564941

Summary:	CVE-2018-1000164 python-gunicorn: Improper neutralization of CRLF Sequences http/wsgi.py:process_headers() can allow an attacker to cause a server to return arbitrary HTTP headers [epel-6]
Product:	[Fedora] Fedora EPEL	Reporter:	Sam Fowler <sfowler>
Component:	python-gunicorn	Assignee:	Dan Callaghan <dcallagh>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	el6	CC:	dcallagh, extras-orphan
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	python-gunicorn-18.0-2.el6	Doc Type:	Release Note
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-04-25 18:18:47 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1564940

Description Sam Fowler 2018-04-09 01:33:52 UTC

This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-6.

For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.

For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs

When submitting as an update, use the fedpkg template provided in the next
comment(s).  This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.

Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.

Comment 1 Sam Fowler 2018-04-09 01:33:56 UTC

Use the following template to for the 'fedpkg update' request to submit an
update for this issue as it contains the top-level parent bug(s) as well as
this tracking bug.  This will ensure that all associated bugs get updated
when new packages are pushed to stable.

=====

# bugfix, security, enhancement, newpackage (required)
type=security

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=1564940,1564941

# Description of your update
notes=Security fix for [PUT CVEs HERE]

# Enable request automation based on the stable/unstable karma thresholds
autokarma=True
stable_karma=3
unstable_karma=-3

# Automatically close bugs when this marked as stable
close_bugs=True

# Suggest that users restart after update
suggest_reboot=False

======

Additionally, you may opt to use the bodhi web interface to submit updates:

https://bodhi.fedoraproject.org/updates/new

Comment 2 Dan Callaghan 2018-04-09 02:49:41 UTC

Backported the upstream fix:
https://github.com/benoitc/gunicorn/commit/1e10a02e73c87dfadc394b361af33864d0e59e24

as:
https://github.com/danc86/gunicorn/commit/76fdbfd8e62830ec9aa1cf26927ecb1032372daa

Comment 3 Fedora Update System 2018-04-09 02:52:10 UTC

python-gunicorn-18.0-2.el6 has been submitted as an update to Fedora EPEL 6. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2018-158680d651

Comment 4 Fedora Update System 2018-04-09 20:42:32 UTC

python-gunicorn-18.0-2.el6 has been pushed to the Fedora EPEL 6 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2018-158680d651

Comment 5 Fedora Update System 2018-04-25 18:18:47 UTC

python-gunicorn-18.0-2.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.