Bug 1774202 (CVE-2019-13574)

Summary:	CVE-2019-13574 rubygem-mini_magick: fetching remote image filename leds to remote command execution
Product:	[Other] Security Response	Reporter:	msiddiqu
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	pvalena
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-11-20 00:51:16 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:	1774205
Bug Blocks:

Description msiddiqu 2019-11-19 19:21:16 UTC

In lib/mini_magick/image.rb in MiniMagick before 4.9.4, a fetched remote image filename could cause remote command execution because Image.open input is directly passed to Kernel#open, which accepts a '|' character followed by a command.

Upstream commit: 

https://github.com/minimagick/minimagick/commit/4cd5081e58810d3394d27a67219e8e4e0445d851

References:  

https://github.com/minimagick/minimagick/releases/tag/v4.9.4
https://github.com/minimagick/minimagick/compare/d484786...293f9bb
https://benjamin-bouchet.com/blog/vulnerabilite-dans-la-gem-mini_magick-version-4-9-4/
https://lists.debian.org/debian-lts-announce/2019/10/msg00007.html
https://seclists.org/bugtraq/2019/Jul/20
https://www.debian.org/security/2019/dsa-4481

Comment 1 msiddiqu 2019-11-19 19:24:46 UTC

Created rubygem-mini_magick tracking bugs for this issue:

Affects: fedora-all [bug 1774205]

Comment 2 Product Security DevOps Team 2019-11-20 00:51:16 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.