CVE-2023-24626

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.0 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://git.savannah.gnu.org/cgit/screen.git/patch/?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7	Mailing List Patch
https://savannah.gnu.org/bugs/?63195	Permissions Required
https://www.exploit-db.com/exploits/51252	Third Party Advisory VDB Entry
https://git.savannah.gnu.org/cgit/screen.git/patch/?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7	Mailing List Patch
https://savannah.gnu.org/bugs/?63195	Permissions Required
https://www.exploit-db.com/exploits/51252	Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/51252	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

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

History

12 Feb 2025, 17:15

Type	Values Removed	Values Added
CWE		CWE-732
References	~~() https://www.exploit-db.com/exploits/51252 - Third Party Advisory, VDB Entry~~	() https://www.exploit-db.com/exploits/51252 - Third Party Advisory, VDB Entry

Information

Published : 2023-04-08 05:15

Updated : 2025-02-12 17:15

NVD link : CVE-2023-24626

Mitre link : CVE-2023-24626

CVE.ORG link : CVE-2023-24626

JSON object : View

Products Affected

gnu

screen

CWE

NVD-CWE-noinfo CWE-732

Incorrect Permission Assignment for Critical Resource

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