What is CVE-2023-38314?

CVE-2023-38314 is a medium-severity vulnerability in Opennds Captive Portal, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-11-17.

How severe is CVE-2023-38314?

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

NULL pointer dereference in Opennds Captive Portal

CVE-2023-38314

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a NULL pointer dereference in preauthenticated() that can be triggered with a crafted GET HTTP request with a missing redirect query string parameter. Triggering this issue results in crashing OpenNDS (a Denial-of-Service condition). Affected OpenNDS Captive Portal before version 10.1.2 fixed infixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on28. August 2023 by updating OpenNDS to version 10.1.3.

EPSS: 0.009 (57.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Opennds Captive_portal
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@mitre.org (Release Notes, Vendor Advisory)
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2023-38314?: CVE-2023-38314 is a medium-severity vulnerability in Opennds Captive Portal, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-11-17.
How severe is CVE-2023-38314?: Medium severity. CVSS v3 base score is 6.5 out of 10.