Bug 2364202 (CVE-2025-46804)

Summary:	CVE-2025-46804 screen: File Existence Tests via Socket Lookup Error Messages
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	security-response-team
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in Screen. It generates an error message that allows unprivileged users to deduce information about a path that should not be accessible.	Story Points:	---
Clone Of:		Environment:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2025-05-05 20:15:24 UTC

This is a minor information leak when running screen with setuid-root privileges that is found in older Screen versions, as well as in version 5.0.0.
The code in screen.c starting at line 849 inspects the resulting `SocketPath` with root privileges, and provides error messages that allow unprivileged users to deduce information about the path that would otherwise not be available.