What is CVE-2023-38314?

CVE-2023-38314 is a vulnerability in OpenNDS Captive Portal before version 10.1.2 that allows for a NULL pointer dereference in the preauthenticated() function.

What is the severity of CVE-2023-38314?

The severity of CVE-2023-38314 is medium with a CVSS score of 6.5.

How does CVE-2023-38314 affect OpenNDS Captive Portal?

CVE-2023-38314 affects OpenNDS Captive Portal version prior to 10.1.2.

How can CVE-2023-38314 be exploited?

CVE-2023-38314 can be exploited by sending a crafted GET HTTP request with a missing redirect query string parameter to trigger a NULL pointer dereference in the preauthenticated() function, resulting in a denial-of-service (DoS) condition.

How can CVE-2023-38314 be fixed?

To fix CVE-2023-38314, it is recommended to upgrade OpenNDS Captive Portal to version 10.1.2 or later.

Vulnerability/
CVE-2023-38314

medium

6.5

CWE

476

17/11/2023

20/6/2024

CVE-2023-38314: Null Pointer Dereference

First published: Fri Nov 17 2023(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
OpenNDS Captive Portal	<10.1.2

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2023-38314?
CVE-2023-38314 is a vulnerability in OpenNDS Captive Portal before version 10.1.2 that allows for a NULL pointer dereference in the preauthenticated() function.
What is the severity of CVE-2023-38314?
The severity of CVE-2023-38314 is medium with a CVSS score of 6.5.
How does CVE-2023-38314 affect OpenNDS Captive Portal?
CVE-2023-38314 affects OpenNDS Captive Portal version prior to 10.1.2.
How can CVE-2023-38314 be exploited?
CVE-2023-38314 can be exploited by sending a crafted GET HTTP request with a missing redirect query string parameter to trigger a NULL pointer dereference in the preauthenticated() function, resulting in a denial-of-service (DoS) condition.
How can CVE-2023-38314 be fixed?
To fix CVE-2023-38314, it is recommended to upgrade OpenNDS Captive Portal to version 10.1.2 or later.

agent/type
agent/event
agent/softwarecombine
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/weakness
agent/last-modified-date
agent/references
agent/severity
agent/author
agent/tags
agent/description
collector/nvd-api
source/NVD
agent/software-canonical-lookup
vendor/opennds
canonical/opennds captive portal

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.