CVE-2023-24626 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00048.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Gnu	Screen

Configuration 1 [-]

cpe:2.3:a:gnu:screen:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-28637	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.
Ubuntu USN	USN-6198-1	GNU Screen vulnerability

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://git.savannah.gnu.org/cgit/screen.git/patch/?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7
https://nvd.nist.gov/vuln/detail/CVE-2023-24626
https://savannah.gnu.org/bugs/?63195
https://security.netapp.com/advisory/ntap-20250509-0003/
https://www.cve.org/CVERecord?id=CVE-2023-24626
https://www.exploit-db.com/exploits/51252

History

Fri, 09 May 2025 20:45:00 +0000

Type	Values Removed	Values Added
References		https://security.netapp.com/advisory/ntap-20250509-0003/

Wed, 12 Feb 2025 17:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-732
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-04-08T00:00:00.000Z

Updated: 2025-05-09T20:03:31.472Z

Reserved: 2023-01-30T00:00:00.000Z

Link: CVE-2023-24626

Vulnrichment

Updated: 2025-05-09T20:03:31.472Z

NVD

Status : Modified

Published: 2023-04-08T05:15:07.063

Modified: 2025-05-09T20:15:37.510

Link: CVE-2023-24626

Redhat

Severity : Moderate

Publid Date: 2023-04-08T00:00:00Z

Links: CVE-2023-24626 - Bugzilla

OpenCVE Enrichment

No data.

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