CVE-2023-38320
Published
CVSS v3
7.5
HIGH
CVSS v2
N/A
Affected
1
PROJECT
Description
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.
openNDS (open Network Demarcation Service) is a high performance, small footprint, Captive Portal. It provides a border control gateway between a public local area network and the Internet.