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CVE-2021-33516

Description

An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim's browser into triggering actions against local UPnP services implemented using this library. Depending on the affected service, this could be used for data exfiltration, data tempering, etc.

POC

Reference

- https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-2021-33516/6536

Github

No PoCs found on GitHub currently.