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Severity
6.2
Null Pointer Dereference
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

The Cordova plugin cordova-plugin-x-socialsharing (SocialSharing-PhoneGap-Plugin) for Android 6.0.4, registers an exported broadcast receiver nl.xservices.plugins.ShareChooserPendingIntent with an android.intent.action.SEND intent filter. The onReceive implementation accesses Intent.EXTRACHOSENCOMPONENT without checking for null. If a broadcast is sent with extras present but without EXTRACHOSENCOMPONENT, the code dereferences a null value and throws a NullPointerException. Because the receiver is exported and performs no permission or caller validation, any local application on the device can send crafted ACTIONSEND broadcasts to this component and repeatedly crash the host application, resulting in a local, unauthenticated application-level denial of service for any app that includes the plugin.

First published (updated )

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