Bug 1088613 – VUL-1: CVE-2018-1000164: python-gunicorn,python3-gunicorn: Improper neutralization of CRLF Sequences can allow an attacker to cause a server to return arbitrary HTTP headers

Bug 1088613 - (CVE-2018-1000164) VUL-1: CVE-2018-1000164: python-gunicorn,python3-gunicorn: Improper neutralization of CRLF Sequences can allow an attacker to cause a server to return arbitrary HTTP headers

(CVE-2018-1000164)
Summary:	VUL-1: CVE-2018-1000164: python-gunicorn,python3-gunicorn: Improper neutraliz...

Status:	RESOLVED FIXED

Classification:	openSUSE
Product:	openSUSE Distribution
Classification:	openSUSE
Component:	Security
Version:	Leap 42.3
Hardware:	Other Other

Priority:	P4 - Low Severity: Minor (vote)
Target Milestone:	---
Assigned To:	Security Team bot
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/203309/
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Reported:	2018-04-09 08:51 UTC by Johannes Segitz
Modified:	2018-04-17 01:08 UTC (History)
CC List:	2 users (show)

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Found By:	Security Response Team
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Description Johannes Segitz 2018-04-09 08:51:27 UTC

rh#1564940

python-gunicorn before version 19.5.0 has a HTTP response splitting vulnerability in the http/wsgi.py:process_headers() function caused by the improper neutralization of CRLF sequences. An attacker could exploit this to cause a server to return arbitrary HTTP headers.

References:
https://epadillas.github.io/2018/04/02/http-header-splitting-in-gunicorn-19.4.5
https://github.com/benoitc/gunicorn/issues/1227
https://github.com/benoitc/gunicorn/commit/5263a4ef2a63c62216680876f3813959839608ff
https://bugzilla.redhat.com/show_bug.cgi?id=1564940
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-1000164

Comment 2 Swamp Workflow Management 2018-04-09 10:10:06 UTC

This is an autogenerated message for OBS integration:
This bug (1088613) was mentioned in
https://build.opensuse.org/request/show/594818 42.3 / python-gunicorn

Comment 3 Swamp Workflow Management 2018-04-09 12:50:06 UTC

This is an autogenerated message for OBS integration:
This bug (1088613) was mentioned in
https://build.opensuse.org/request/show/594871 42.3 / python-gunicorn

Comment 4 Swamp Workflow Management 2018-04-09 14:10:05 UTC

This is an autogenerated message for OBS integration:
This bug (1088613) was mentioned in
https://build.opensuse.org/request/show/594887 42.3 / python3-gunicorn

Comment 5 Andreas Stieger 2018-04-16 19:10:56 UTC

release for Leap 42.3, done

Comment 6 Swamp Workflow Management 2018-04-17 01:08:32 UTC

openSUSE-SU-2018:0965-1: An update that fixes one vulnerability is now available.

Category: security (moderate)
Bug References: 1088613
CVE References: CVE-2018-1000164
Sources used:
openSUSE Leap 42.3 (src):    python-gunicorn-19.3.0-4.3.1, python3-gunicorn-19.3.0-5.3.1