CVE-2023-38314

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 17, 2023
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2023

CVE-2023-383157.5An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a try_to_authenticate NULL pointer dereference that can be tCVE-2023-383169.8An issue was discovered in OpenNDS Captive Portal before version 10.1.2. When the custom unescape callback is enabled, attackers can executeCVE-2023-383179.8An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the network interface name entry in the configuration file, allowing CVE-2023-383189.8An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the gateway FQDN entry in the configuration file, allowing attackers CVE-2023-383199.8An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the FAS key entry in the configuration file, allowing attackers that CVE-2023-38326.1A vulnerability was found in Bug Finder Wedding Wonders 1.0. It has been classified as problematic. Affected is an unknown function of the fCVE-2023-383207.5An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a show_preauthpage NULL pointer dereference that can be trigCVE-2023-383217.5OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial of service (NULL poCVE-2023-383227.5An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a do_binauth NULL pointer dereference that be triggered withCVE-2023-383239.8An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the status path script entry in the configuration file, allowing attaCVE-2023-383245.3An issue was discovered in OpenNDS before 10.1.2. It allows users to skip the splash page sequence (and directly authenticate) when it is usCVE-2023-383257.5The cryptography package before 41.0.2 for Python mishandles SSH certificates that have critical options.
CVE-2023-38314: Medium severity, CVSS 6.5 | Vulnix