Vulnerability Description
Screen 5.0.0 when it runs with setuid-root privileges does not drop privileges while operating on a user supplied path. This allows unprivileged users to create files in arbitrary locations with `root` ownership, the invoking user's (real) group ownership and file mode 0644. All data written to the Screen PTY will be logged into this file, allowing to escalate to root privileges
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-23395
- https://www.openwall.com/lists/oss-security/2025/05/12/1
- https://www.openwall.com/lists/oss-security/2025/05/12/1
FAQ
What is CVE-2025-23395?
CVE-2025-23395 is a vulnerability with a CVSS score of 7.8 (HIGH). Screen 5.0.0 when it runs with setuid-root privileges does not drop privileges while operating on a user supplied path. This allows unprivileged users to create files in arbitrary locations with `root...
How severe is CVE-2025-23395?
CVE-2025-23395 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-23395?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.