VDB-245701 · CVE-2023-38313 · EUVD-2023-42132

OpenNDS up to 10.1.1 Captive Portal do_binauth null pointer dereference

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5.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in OpenNDS up to 10.1.1. Impacted is the function do_binauth of the component Captive Portal. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2023-38313. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in OpenNDS up to 10.1.1. Affected by this vulnerability is the function do_binauth of the component Captive Portal. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in OpenNDS Captive Portal before 10.1.2. it has a do_binauth NULL pointer dereference that can be triggered with a crafted GET HTTP request with a missing client redirect query string parameter. Triggering this issue results in crashing openNDS (a Denial-of-Service condition). The issue occurs when the client is about to be authenticated, and can be triggered only when the BinAuth option is set.

The weakness was released 11/17/2023. The advisory is shared at github.com. This vulnerability is known as CVE-2023-38313 since 07/14/2023. Technical details are known, 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-2023-42132). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

OpenNDS

Version

Website

Product: https://github.com/openNDS/openNDS/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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-2023-38313 (🔍)
GCVE (CVE): GCVE-0-2023-38313
GCVE (VulDB): GCVE-100-245701
EUVD: 🔍

Entryinfo

Created: 11/17/2023 07:30
Updated: 01/19/2026 02:08
Changes: 11/17/2023 07:30 (41), 12/14/2023 08:08 (11), 06/20/2024 22:11 (15), 01/19/2026 02:08 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.