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VULNERABILITIES

CVE-2023-24626 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CNA: CISA-ADPCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.exploit-db.com/exploits/51252 CISA-ADPThird Party AdvisoryVDB Entry
https://git.savannah.gnu.org/cgit/screen.git/patch/?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7 CVEMailing ListPatch
https://savannah.gnu.org/bugs/?63195 CVEPermissions Required
https://security.netapp.com/advisory/ntap-20250509-0003/ CVE
https://www.exploit-db.com/exploits/51252 CVEThird Party AdvisoryVDB Entry

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]
CWE-732Incorrect Permission Assignment for Critical ResourceCISA-ADP

Affected Products

ProductVersions
gnu screen
<= 4.9.0

CPE

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

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-24626
NVD Published Date:
Apr 8, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2023-24626 Details - Not Deferred