OpenNDS up to 10.1.1 Captive Portal preauthenticated null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in OpenNDS up to 10.1.1. This issue affects the function preauthenticated of the component Captive Portal. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2023-38314. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in OpenNDS up to 10.1.1. Affected is the function preauthenticated of the component Captive Portal. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

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).

The weakness was published 11/17/2023. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-38314 since 07/14/2023. There are known technical details, but no exploit is available.

Upgrading to version 10.1.2 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-42133). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenNDS 10.1.2

Timelineinfo

07/14/2023 🔍
11/17/2023 +126 days 🔍
11/17/2023 +0 days 🔍
01/19/2026 +794 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2023-38314 (🔍)
GCVE (CVE): GCVE-0-2023-38314
GCVE (VulDB): GCVE-100-245700
EUVD: 🔍

Entryinfo

Created: 11/17/2023 07:29
Updated: 01/19/2026 02:08
Changes: 11/17/2023 07:29 (41), 12/14/2023 08:07 (11), 06/20/2024 22:11 (15), 01/19/2026 02:08 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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