CVE-2019-12370
NixOS vulnerability analysis and mitigation

Overview

The Spark application through version 2.0.2 for Android contains a cross-site scripting (XSS) vulnerability that allows attackers to execute arbitrary JavaScript via an event attribute and load arbitrary files through a src attribute when the application has the READ_EXTERNAL_STORAGE permission (NVD, Gubello Blog).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 6.1 (MEDIUM) with vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. The issue stems from insufficient input validation in the Android WebView component, where JavaScript injection could occur through event attributes and arbitrary file loading via src attributes. This vulnerability is particularly concerning when the application has READ_EXTERNAL_STORAGE permission enabled (NVD).

Impact

The vulnerability could allow attackers to execute arbitrary JavaScript code in the context of the application and load arbitrary files from the device storage. This could potentially lead to data theft and compromise of user information when setAllowUniversalAccessFromFileURLs is set to True (Gubello Blog).

Mitigation and workarounds

Users should upgrade to versions newer than Spark 2.0.2 for Android. The vendor was notified of the vulnerability and responded to the report (Gubello Blog).

Additional resources


SourceThis report was generated using AI

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