Bug 1425855 (CVE-2017-6188)

Summary:	CVE-2017-6188 munin: Local file write vulnerability with CGI graphs enabled
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	b, drjohnson1, ingvar, jvanek, kent
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2019-06-08 03:08:03 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1425857, 1425858
Bug Blocks:

Description Andrej Nemec 2017-02-22 15:40:44 UTC

Munin has a local file write vulnerability when CGI graphs are enabled. Setting multiple "upper_limit" GET parameters allows overwriting any file accessible to the www-data user.

Upstream bug:

https://github.com/munin-monitoring/munin/issues/721

References:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=855705

Comment 1 Andrej Nemec 2017-02-22 15:41:43 UTC

Created munin tracking bugs for this issue:

Affects: epel-all [bug 1425858]
Affects: fedora-all [bug 1425857]

Comment 2 Andrej Nemec 2017-02-23 08:55:28 UTC

CVE assignment:

http://openwall.com/lists/oss-security/2017/02/22/4

Comment 3 Kim B. Heino 2018-09-15 08:02:04 UTC

This CVE is fixed by Munin upstream 1.5 years ago. The fix is included in current Fedora and EPEL Munin packages (2.0.40).

Comment 4 Product Security DevOps Team 2019-06-08 03:08:03 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.