CVE-2023-38322

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.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059451&gt;