CVE-2025-46803

Screen creates by default world-writable PTYs

State: Published
Severity: 5.1 Medium
Published: May 26, 2025
Updated: May 27, 2025
Reserved: Apr 30, 2025

Description

The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N	suse
3.1	5.0 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N	suse

Weaknesses

CWE-276 Incorrect Default Permissions

Affected Products

Product	Versions
screen	5.0 through 5.0.0Affected

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46803
https://www.openwall.com/lists/oss-security/2025/05/12/1
http://www.openwall.com/lists/oss-security/2025/05/13/6

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