CVE-2023-38314

Summary

CVE-2023-38314 is a vulnerability affecting OpenNDS Captive Portal before version 10.1.2. This issue involves a NULL pointer dereference in the preauthenticated() function, which can be triggered by a crafted GET HTTP request lacking a redirect query string parameter. The result is a Denial-of-Service condition as OpenNDS crashes. Version 10.1.3, released on August 28, 2023, addresses and fixes this issue in OpenWrt master, OpenWrt 23.05, and OpenWrt 22.03.

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