CVE-2025-23395
Local root exploit via `logfile_reopen()` in screen 5.0.0 with setuid-root bit set
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
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
ООО «Ред Софт»
commercial·RUaka red soft
and 1 more affected products View all →
Exploitability
Official Patch Available
References
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-23395
bugzilla.suse.com
https://www.openwall.com/lists/oss-security/2025/05/12/1
openwall.com
https://git.savannah.gnu.org/cgit/screen.git/commit/?id=e894caeffccdb62f9c644989a936dc7ec83cc747
git.savannah.gnu.org
and 2 more references View all →
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