Bug 1671857 (CVE-2017-18361)

Summary:	CVE-2017-18361 python-colander: infinite loop in the URL validator
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	igor.raits, infra-sig, lewk, rbean
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	python-colander 1.7.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:47:11 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:	1671858, 1671859
Bug Blocks:

Description Laura Pardo 2019-02-01 22:04:08 UTC

In Pylons Colander through 1.6, the URL validator allows an attacker to potentially cause an infinite loop thereby causing a denial of service via an unclosed parenthesis.


References:
https://github.com/Pylons/colander/issues/290

Upstream Patch:
https://github.com/Pylons/colander/pull/323

Comment 1 Laura Pardo 2019-02-01 22:04:26 UTC

Created python-colander tracking bugs for this issue:

Affects: epel-all [bug 1671859]
Affects: fedora-all [bug 1671858]

Comment 2 Product Security DevOps Team 2019-06-10 10:47:11 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.