Synopsis
Tenable has discovered Denial of Service vulnerabilities in Parrot's Anafi drone affecting firmware versions prior to 1.5.0.
CVE-2019-3944: Wi-Fi Deauthentication
This allows a remote and unauthenticated attacker to sever the drone-to-controller connection by sending Wi-Fi deauth frames, resulting in a Denial of Service. Fallback behavior for Anafi drone is to engage Smart Return to Home (RTH), which attempts to safely return back to take off point, avoiding crashes.
CVE-2019-3945 : Web Server Invalid Memory Access
The “control” service listening for SDK commands can indirectly trigger a crash within the “webserver” running on Anafi drone. By sending a "g_arsdk_cmd_desc_Common_Common_CurrentDateTime" command with a larger than expected Date field, the webserver will crash when accessing SDK notification module due to an invalid memory access. This results in webserver service crashing and restarting.
Solution
Upgrade Anafi to firmware version 1.5.0 or later.Disclosure Timeline
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