Bug 1966990 (CVE-2021-31957) - CVE-2021-31957 dotnet: ASP.NET Core Client Disconnect Denial of Service
Summary: CVE-2021-31957 dotnet: ASP.NET Core Client Disconnect Denial of Service
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-31957
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1965498 1966163 1966993 1966994 1966995 1966996 1966997 1966998
Blocks: 1966988
TreeView+ depends on / blocked
 
Reported: 2021-06-02 10:16 UTC by Stefan Cornelius
Modified: 2021-08-11 20:43 UTC (History)
9 users (show)

Fixed In Version: SDK 5.0.204, Runtime 5.0.7, SDK 3.1.116, Runtime 3.1.16
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in dotnet. The way client disconnects are handled can allow a remote, unauthenticated attacker to exploit this vulnerability to cause a denial of service against an ASP.NET Core application. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed: 2021-06-09 03:04:19 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2021:2382 0 None None None 2021-06-10 17:21:18 UTC
Red Hat Product Errata RHSA-2021:2350 0 None None None 2021-06-09 01:38:10 UTC
Red Hat Product Errata RHSA-2021:2351 0 None None None 2021-06-09 01:41:02 UTC
Red Hat Product Errata RHSA-2021:2352 0 None None None 2021-06-09 00:39:47 UTC
Red Hat Product Errata RHSA-2021:2353 0 None None None 2021-06-09 00:52:36 UTC

Description Stefan Cornelius 2021-06-02 10:16:30 UTC 
An issue related to the handling of client disconnects has been reported in ASP.NET Core. A remote, unauthenticated attacker could exploit this vulnerability to cause a denial of service against an ASP.NET Core application.
Comment 2 errata-xmlrpc 2021-06-09 00:39:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:2352 https://access.redhat.com/errata/RHSA-2021:2352
Comment 3 errata-xmlrpc 2021-06-09 00:52:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:2353 https://access.redhat.com/errata/RHSA-2021:2353
Comment 4 errata-xmlrpc 2021-06-09 01:38:07 UTC 
This issue has been addressed in the following products:

  .NET Core on Red Hat Enterprise Linux

Via RHSA-2021:2350 https://access.redhat.com/errata/RHSA-2021:2350
Comment 5 errata-xmlrpc 2021-06-09 01:41:00 UTC 
This issue has been addressed in the following products:

  .NET Core on Red Hat Enterprise Linux

Via RHSA-2021:2351 https://access.redhat.com/errata/RHSA-2021:2351
Comment 6 Product Security DevOps Team 2021-06-09 03:04:19 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-2021-31957
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