Bug 1820561 (CVE-2020-5274)

Summary:	CVE-2020-5274 symfony: ErrorHandler displays stacktraces in non-debug environments which could result in Information Disclosure
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	fedora, shawn
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	symfony 4.4.4, symfony 5.0.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-03 16:31:55 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:	1820562
Bug Blocks:

Description Michael Kaplan 2020-04-03 10:53:10 UTC

In Symfony before versions 5.0.5 and 4.4.5, some properties of the Exception were not properly escaped when the `ErrorHandler` rendered it stacktrace. In addition, the stacktrace were displayed even in a non-debug configuration.

Comment 1 Michael Kaplan 2020-04-03 10:54:04 UTC

Created php-symfony4 tracking bugs for this issue:

Affects: fedora-all [bug 1820562]

Comment 2 Product Security DevOps Team 2020-04-03 16:31:55 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.