Bug 2250098 (CVE-2023-46850)

Summary:	CVE-2023-46850 openvpn: Incorrect use of send buffer can cause memory to be sent to peer
Product:	[Other] Security Response	Reporter:	Mauro Matteo Cascella <mcascell>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	openvpn 2.12.2	Doc Type:	If docs needed, set a value
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Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2250099, 2250100
Bug Blocks:

Description Mauro Matteo Cascella 2023-11-16 16:21:49 UTC

Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.

References:
https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/
https://community.openvpn.net/openvpn/wiki/CVE-2023-46850

Comment 1 Mauro Matteo Cascella 2023-11-16 16:22:07 UTC

Created openvpn tracking bugs for this issue:

Affects: epel-all [bug 2250099]
Affects: fedora-all [bug 2250100]