An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a show_preauthpage NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing User-Agent header. Triggering this issue results in crashing OpenNDS (a Denial-of-Service condition). This problem was fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-02T17:39:12.561Z

Reserved: 2023-07-14T00:00:00

Link: CVE-2023-38320

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-11-17T06:15:33.667

Modified: 2024-11-21T08:13:19.533

Link: CVE-2023-38320

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.