Bug 1771298 (CVE-2019-16892)

Summary:	CVE-2019-16892 cfme: rubygem-rubyzip denial of service via crafted ZIP file
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	clalancette, dajohnso, dmetzger, gblomqui, gmccullo, gtanzill, jfrey, jhardy, kdixon, mo, obarenbo, roliveri, simaishi, smallamp, sparks, vondruch, ytale
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Rubyzip 1.3.0	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability in Rubyzip, versions prior to 1.3.0, allows a crafted ZIP file to bypass application checks on ZIP entry sizes. This allows an attacker to spoof data regarding the uncompressed size of the ZIP file, causing a denial of service due to disk consumption. Availability of the system is the highest threat.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-12-13 02:09:24 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:	1767898, 1771299, 1779711
Bug Blocks:	1771300

Description Dhananjay Arunesh 2019-11-12 06:52:23 UTC

A vulnerability was found in Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size can be spoofed. This allows attackers to cause a denial of service (disk consumption).

Reference:
https://github.com/rubyzip/rubyzip/pull/403

Comment 1 Dhananjay Arunesh 2019-11-12 06:53:01 UTC

Created rubygem-rubyzip tracking bugs for this issue:

Affects: fedora-all [bug 1771299]

Comment 8 Yadnyawalk Tale 2019-12-10 14:46:39 UTC

Statement:

Red Hat CloudForms 4.7 (5.10.13) release is affected, but not vulnerable as they include fixes for Rubyzip version 1.3.0. This issue was fixed in RHBA-2019:4047 (https://access.redhat.com/errata/RHBA-2019:4047) as part of CFME component.

Comment 11 errata-xmlrpc 2019-12-13 00:35:35 UTC

This issue has been addressed in the following products:

  CloudForms Management Engine 5.11

Via RHSA-2019:4201 https://access.redhat.com/errata/RHSA-2019:4201

Comment 12 Product Security DevOps Team 2019-12-13 02:09:24 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-16892