Bug 2257696 (CVE-2024-20672)

Summary:	CVE-2024-20672 dotnet: dotnet core Denial of Service Vulnerability
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
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
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 vulnerability was found in .NET due to insufficient validation of user-supplied input. This flaw allows a remote attacker to pass specially crafted input to the application and perform a denial of service (DoS) attack.	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:	2257705
Bug Blocks:	2255383

Description TEJ RATHI 2024-01-10 14:06:10 UTC

.NET Core and Visual Studio Denial of Service Vulnerability

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20672

Comment 5 Omair Majid 2024-05-15 20:54:59 UTC

I have received word from Microsoft that this CVE does not apply to Linux.

Comment 6 Omair Majid 2024-05-29 15:22:40 UTC

https://github.com/dotnet/core/blob/main/release-notes/6.0/6.0.31/6.0.31.md#notable-changes says:

> CVE-2024-20672 | .NET Denial of Service Vulnerability
>
> Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0, .NET 7.0 and .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
>
> A vulnerability exists in .NET when processing X.509 certificates that may result in Denial of Service. This vulnerabilty only affects macOS.