git.savannah.gnu.org
https://git.savannah.gnu.org/cgit/screen.git/patch?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7 CVE-2023-24626
MEDIUM
GNU screen v4.9.0 - Privilege Escalation
Record summary
CVE-2023-24626 has a selected CVSS score of 6.5 (medium); EIP currently links 1 catalogued exploit.
Description
socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a denial of service or disruption of the target process.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
CISA SSVC decision
ExploitationPoC
AutomatableNo
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Feb 12, 2025 · Source: CVE List
Proofs of concept
1Catalogued exploits
ExploitDBGNU screen v4.9.0 - Privilege EscalationExploitDB exploitby Manuel AndreasNot analyzed1 file
References
5nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2023-24626 savannah.gnu.org
https://savannah.gnu.org/bugs?63195 security.netapp.com
https://security.netapp.com/advisory/ntap-20250509-0003 exploit-db.com
https://www.exploit-db.com/exploits/51252