Bug 1990295 (CVE-2021-26423) - CVE-2021-26423 dotnet: ASP.NET Core WebSocket frame processing DoS
Summary: CVE-2021-26423 dotnet: ASP.NET Core WebSocket frame processing DoS
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-26423
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: 1990310 1990311 1990312 1990313 1990314 1990315
Blocks: 1990033
TreeView+ depends on / blocked
 
Reported: 2021-08-05 08:02 UTC by Stefan Cornelius
Modified: 2021-08-18 15:52 UTC (History)
9 users (show)

Fixed In Version: SDK 3.1.118, Runtime 3.1.18, SDK 5.0.206, Runtime 5.0.9
Clone Of:
Environment:
Last Closed: 2021-08-11 19:29:14 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2021:3213 0 None None None 2021-08-18 15:52:20 UTC
Red Hat Product Errata RHSA-2021:3142 0 None None None 2021-08-11 18:41:52 UTC
Red Hat Product Errata RHSA-2021:3143 0 None None None 2021-08-11 18:44:41 UTC
Red Hat Product Errata RHSA-2021:3147 0 None None None 2021-08-12 06:47:28 UTC
Red Hat Product Errata RHSA-2021:3148 0 None None None 2021-08-12 06:52:40 UTC

Description Stefan Cornelius 2021-08-05 08:02:22 UTC 
An infinite loop error was found in ASP.NET when processing WebSocket frames. This can be exploited to cause a high CPU resource consumption.
Comment 2 errata-xmlrpc 2021-08-11 18:41:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3142 https://access.redhat.com/errata/RHSA-2021:3142
Comment 3 errata-xmlrpc 2021-08-11 18:44:39 UTC 
This issue has been addressed in the following products:

  .NET Core on Red Hat Enterprise Linux

Via RHSA-2021:3143 https://access.redhat.com/errata/RHSA-2021:3143
Comment 4 Product Security DevOps Team 2021-08-11 19:29:14 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-2021-26423
Comment 5 errata-xmlrpc 2021-08-12 06:47:26 UTC 
This issue has been addressed in the following products:

  .NET Core on Red Hat Enterprise Linux

Via RHSA-2021:3147 https://access.redhat.com/errata/RHSA-2021:3147
Comment 6 errata-xmlrpc 2021-08-12 06:52:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3148 https://access.redhat.com/errata/RHSA-2021:3148
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