vulnerability
Alpine Linux: CVE-2025-23395: Privilege Dropping / Lowering Errors
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | May 26, 2025 | Aug 8, 2025 | Dec 5, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
May 26, 2025
Added
Aug 8, 2025
Modified
Dec 5, 2025
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
Solution
alpine-linux-upgrade-screen
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