CVE-2023-24626

Published: Apr 8, 2023Modified: May 9, 2025

6.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Exploitability: 2.0 / Impact: 4.0

Source: NVD

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.

Affected (1)

Products: Gnu: Screen

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Screen	Up to 4.9.0

Related CWEs

Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

References (8)

https://git.savannah.gnu.org/cgit/screen.git/patch/?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7

Source: cve@mitre.org

Mailing ListPatch

https://savannah.gnu.org/bugs/?63195

Source: cve@mitre.org

Permissions Required

https://www.exploit-db.com/exploits/51252

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://git.savannah.gnu.org/cgit/screen.git/patch/?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListPatch

https://savannah.gnu.org/bugs/?63195

Source: af854a3a-2127-422b-91ae-364da2661108

Permissions Required

https://security.netapp.com/advisory/ntap-20250509-0003/

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.exploit-db.com/exploits/51252

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://www.exploit-db.com/exploits/51252

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Third Party AdvisoryVDB Entry

Timeline

No history available yet.