Bug 1533725 (CVE-2018-0786)

Summary:	CVE-2018-0786 ASP.NET: Incorrect certificate validation can allow attackers to bypass security checks
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	omajid, tjay
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2018-03-19 03:12:58 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1545986, 1545987, 1545988
Bug Blocks:	1533726

Description Sam Fowler 2018-01-12 04:16:51 UTC

.NET Core 1.0, 1.1 and 2.0 do not correctly validate X509 certificates and can allow an attacker to bypass security checks by presenting an invalid certificate marked for a specific use.


References:
https://nvd.nist.gov/vuln/detail/CVE-2018-0786
https://github.com/dotnet/announcements/issues/51

Comment 2 Trevor Jay 2018-03-19 03:12:58 UTC

Changed the affects, this is an ASP.Net issue only.