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CVE-2023-24626

Date: April 7, 2023

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.

Language: C

Severity Score

Related Resources (10)

https://www.exploit-db.com/exploits/51252
https://nvd.nist.gov/vuln/detail/CVE-2023-24626
https://security-tracker.debian.org/tracker/CVE-2023-24626
https://savannah.gnu.org/bugs/?63195
https://git.savannah.gnu.org/cgit/screen.git/patch/?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-24626
https://access.redhat.com/security/cve/CVE-2023-24626
https://security.alpinelinux.org/vuln/CVE-2023-24626
https://security.netapp.com/advisory/ntap-20250509-0003/
https://www.mend.io/vulnerability-database/CVE-2023-24626

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Incorrect Permission Assignment for Critical Resource

CWE-732

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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