First published: Fri Nov 17 2023(Updated: )
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 Software||Affected Version||How to fix|
|OpenNDS Captive Portal||<10.1.2|
CVE-2023-38322 is a vulnerability in OpenNDS Captive Portal before version 10.1.2 that allows a NULL pointer dereference, leading to a Denial-of-Service condition.
CVE-2023-38322 has a severity rating of 7.5 (high).
CVE-2023-38322 can be triggered with a crafted GET HTTP request with a missing User-Agent HTTP header.
The affected software version of CVE-2023-38322 is OpenNDS Captive Portal up to and excluding version 10.1.2.
Yes, updating to OpenNDS Captive Portal version 10.1.2 or later fixes CVE-2023-38322.