CVE-2023-38315

Summary

CVE-2023-38315 is a vulnerability affecting OpenNDS Captive Portal before version 10.1.2. This issue involves a NULL pointer dereference in the try_to_authenticate function. It can be triggered by sending a crafted GET HTTP request with a missing client token query string parameter. Consequences of exploiting this vulnerability include crashing OpenNDS, resulting in a Denial-of-Service condition. Versions 10.1.3 of OpenNDS, released on August 28, 2023, address this vulnerability in OpenWrt master, OpenWrt 23.05, and OpenWrt 22.03.

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