CVE-2025-23395 (GCVE-0-2025-23395)

Vulnerability from cvelistv5 – Published: 2025-05-26 15:18 – Updated: 2025-05-27 14:10
VLAI
Title
Local root exploit via `logfile_reopen()` in screen 5.0.0 with setuid-root bit set
Summary
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
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.3 (High)
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-27 14:10 UTC
CWE
  • CWE-271 - Privilege Dropping / Lowering Errors
Assigner
suse CNA under the mitre root
CNA scorecard B 80/100 over 122 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Affected: 5.0 , ≤ 5.0.0 (semver)
Date Public
2025-05-12 15:24
Credits
Matthias Gerstner, SUSE
Show details on NVD website
To clipboard 

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