Bug 2221853 (CVE-2023-33127)

Summary:	CVE-2023-33127 dotnet: elevation of privilege and code execution by taking control of the diagnostic port
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	andrew.slice, bodavis, dbhole, kanderso, lvaleeva, omajid, rwagner, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	dotnet 6.0.20, dotnet 7.0.9	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in dotNET applications where the Windows dotNET runtime exposes an IPC diagnostic endpoint named pipe for collecting diagnostic information and debugging. A remote attacker can exploit DCOM applications that expose a diagnostic port to achieve cross-session/cross-user elevation of privilege (EoP) and code execution by taking control of the diagnostic port.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-07-11 21:40:11 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:
Bug Blocks:	2221855

Description TEJ RATHI 2023-07-11 05:28:16 UTC

CVE-2023-33127 - The Windows .NET runtime exposes an IPC diagnostic endpoint named pipe for collecting diagnostic information and debugging. DCOM applications that expose a diagnostic port can be abused to achieve cross-session elevation of privilege (EoP) and code execution by taking control of the diagnostic port.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33127

Comment 1 TEJ RATHI 2023-07-11 16:42:49 UTC

The CVE is public now:
https://github.com/dotnet/core/blob/7cc69f36461a2aefe4c29acb46d6816cd741a8a3/release-notes/7.0/7.0.9/7.0.9.md#notable-changes

Comment 2 Product Security DevOps Team 2023-07-11 21:40:09 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-2023-33127

Comment 3 TEJ RATHI 2023-07-12 06:06:57 UTC

References: 
https://devblogs.microsoft.com/dotnet/july-2023-updates/
https://github.com/dotnet/announcements/issues/263
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33127