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CVE-2025-23395

Local root exploit via `logfile_reopen()` in screen 5.0.0 with setuid-root bit set PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / productVersions
Not supplied / Not suppliedaffected 5.0 through 5.0.0

CWE

CWE-271

References

ADP enrichment

CISA-ADP

No English description supplied.