Bug 2263085 (CVE-2024-21386)

Summary:	CVE-2024-21386 dotnet: Denial of Service in SignalR server
Product:	[Other] Security Response	Reporter:	Marco Benatto <mbenatto>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	andrew.slice, bodavis, dbhole, omajid, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A denial of service vulnerability is present in the .NET applications utilizing SignalR, which a malicious client can exploit. The issue arises from inadequate validation of user-supplied input in .NET. This flaw allows a remote attacker to trigger a denial of service (DoS) attack by providing specially crafted input.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2263127, 2264132, 2264133, 2264134
Bug Blocks:	2263084

Description Marco Benatto 2024-02-06 23:50:58 UTC

DoS - SignalR server

Affected versions:
.NET 6.0
.NET 7.0
.NET 8.0

Comment 3 errata-xmlrpc 2024-02-13 18:41:25 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:0805 https://access.redhat.com/errata/RHSA-2024:0805

Comment 4 errata-xmlrpc 2024-02-13 18:41:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:0807 https://access.redhat.com/errata/RHSA-2024:0807

Comment 5 errata-xmlrpc 2024-02-13 18:48:33 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:0806 https://access.redhat.com/errata/RHSA-2024:0806

Comment 6 errata-xmlrpc 2024-02-13 18:48:42 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:0808 https://access.redhat.com/errata/RHSA-2024:0808

Comment 7 TEJ RATHI 2024-02-14 06:17:37 UTC

Created dotnet6.0 tracking bugs for this issue:

Affects: fedora-all [bug 2264132]


Created dotnet7.0 tracking bugs for this issue:

Affects: fedora-all [bug 2264133]


Created dotnet8.0 tracking bugs for this issue:

Affects: fedora-all [bug 2264134]

Comment 8 errata-xmlrpc 2024-02-14 08:54:38 UTC

This issue has been addressed in the following products:

  .NET Core on Red Hat Enterprise Linux

Via RHSA-2024:0814 https://access.redhat.com/errata/RHSA-2024:0814

Comment 9 errata-xmlrpc 2024-02-15 07:23:21 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:0827 https://access.redhat.com/errata/RHSA-2024:0827

Comment 10 errata-xmlrpc 2024-02-15 14:36:59 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:0848 https://access.redhat.com/errata/RHSA-2024:0848