Bug 1827645 (CVE-2020-1161)

Summary:	CVE-2020-1161 dotnet: Denial of service due to infinite loop
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	andrew.slice, bodavis, dbhole, kanderso, omajid, rwagner, scorneli, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	dotnet 3.1.4	Doc Type:	If docs needed, set a value
Doc Text:	An infinite loop was found in the HTTP Routing component of Microsoft.AspNetCore.App, which could be exploited by a remote, unauthenticated attacker. This flaw allows an attacker without special privileges to send crafted requests to a machine running an ASP.NET Core application, triggering the infinite loop and causing a denial of service in that application, for example, a web server.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-05-21 21:15:19 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:	1828628, 1829421, 1835186, 1835187
Bug Blocks:	1827646

Description Dhananjay Arunesh 2020-04-24 12:34:59 UTC

A vulnerability related to handling web requests has been reported in ASP.NET Core. A remote, unauthenticated attacker can exploit this vulnerability to cause a Denial of Service by sending specially crafted requests to a ASP.NET Core application.

Comment 4 Stefan Cornelius 2020-05-12 17:05:27 UTC

External References:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1161

Comment 5 Todd Cullum 2020-05-12 20:10:19 UTC

Acknowledgments:

Name: Microsoft

Comment 7 errata-xmlrpc 2020-05-21 15:35:04 UTC

This issue has been addressed in the following products:

  .NET Core on Red Hat Enterprise Linux

Via RHSA-2020:2249 https://access.redhat.com/errata/RHSA-2020:2249

Comment 8 errata-xmlrpc 2020-05-21 16:17:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:2250 https://access.redhat.com/errata/RHSA-2020:2250

Comment 9 Product Security DevOps Team 2020-05-21 21:15:19 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-2020-1161