What is CVE-2023-24626?

CVE-2023-24626 is a medium-severity vulnerability in Gnu Screen, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2023-04-08.

How severe is CVE-2023-24626?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-24626 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Gnu Screen

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.

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Gnu Screen
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

Public proof-of-concept exploits

seal-community/patches

References

cve@mitre.org (Permissions Required)
cve@mitre.org (Patch, Mailing List)
cve@mitre.org (VDB Entry, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-24626?: CVE-2023-24626 is a medium-severity vulnerability in Gnu Screen, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2023-04-08.
How severe is CVE-2023-24626?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-24626 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.