Bug 1512992 (CVE-2017-11770)

Summary: CVE-2017-11770 .NET Core: DoS via bad certificate
Product: [Other] Security Response Reporter: Trevor Jay <tjay>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: bgollahe, bodavis, dbhole, kanderso, lzachar, omajid, rwagner, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: dotnetcore 1.0.7, dotnetcore 1.1.4, dotnet 2.0.3 Doc Type: If docs needed, set a value
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Story Points: ---
Clone Of: Environment:
Last Closed: 2017-12-01 11:40:25 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: 1513080, 1513081, 1513082    
Bug Blocks: 1512757    

Description Trevor Jay 2017-11-14 14:55:38 UTC 
Supplying a specially crafted certificate can cause an infinite X509Chain, resulting in a denial of service.
Comment 2 errata-xmlrpc 2017-11-20 11:46:21 UTC 
This issue has been addressed in the following products:

  dotNET on RHEL

Via RHSA-2017:3248 https://access.redhat.com/errata/RHSA-2017:3248
Comment 3 Tomas Hoger 2017-12-01 11:40:25 UTC 
Further details of this issue can be found in the upstream Microsoft advisories:

https://github.com/dotnet/announcements/issues/44
https://github.com/dotnet/corefx/issues/25245
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11770
Comment 4 Tomas Hoger 2017-12-01 11:40:55 UTC 
External References:

https://github.com/dotnet/announcements/issues/44