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CVE-2023-38322 Details

Description

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a do_binauth NULL pointer dereference that be triggered with a crafted GET HTTP request with a missing User-Agent HTTP header. 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. Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/openNDS/openNDS/releases/tag/v10.1.2	CVE	Release NotesVendor Advisory
https://github.com/openwrt/routing/commit/0b19771fb2dd81e7c428759610aed583171eed80	CVE
https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006-v4/#sthash.2vJg3d85.rwx82g1C.dpbs	CVE
https://github.com/openNDS/openNDS/releases/tag/v10.1.2	[email protected]	Release NotesVendor Advisory
https://github.com/openwrt/routing/commit/0b19771fb2dd81e7c428759610aed583171eed80	[email protected]
https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006-v4/#sthash.2vJg3d85.rwx82g1C.dpbs	[email protected]

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-476	NULL Pointer Dereference	[email protected]

Affected Products

Product	Versions
opennds captive portal	< 10.1.2
CPE cpe:2.3:a:opennds:captive_portal:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
Jun 20, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Nov 23, 2023	Initial Analysis	[email protected]
Nov 17, 2023	New CVE Received	[email protected]