CVE-2020-12695 – hostapd: UPnP SUBSCRIBE misbehavior in WPS AP

https://notcve.org/view.php?id=CVE-2020-12695

The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue. La especificación UPnP de Open Connectivity Foundation antes del 17-04-2020 no prohíbe la aceptación de una petición de suscripción con una URL de entrega en un segmento de red diferente a la URL de suscripción de evento totalmente calificada, también se conoce como el problema de CallStranger • https://github.com/yunuscadirci/CallStranger http://packetstormsecurity.com/files/158051/CallStranger-UPnP-Vulnerability-Checker.html http://www.openwall.com/lists/oss-security/2020/06/08/2 https://corelight.blog/2020/06/10/detecting-the-new-callstranger-upnp-vulnerability-with-zeek https://github.com/corelight/callstranger-detector https://lists.debian.org/debian-lts-announce/2020/08/msg00011.html https://lists.debian.org/debian-lts-announce/2020/08/msg00013.html https://lists.debian.org/debian-l • CWE-276: Incorrect Default Permissions CWE-918: Server-Side Request Forgery (SSRF) •