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Fixes CVE-2020-6563 #2243

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Fixes CVE-2020-6563 #2243

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16 changes: 16 additions & 0 deletions ...lorenzo/flutter_inappwebview_android/webview/in_app_webview/InAppWebViewChromeClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -848,6 +848,22 @@ public boolean onActivityResult(int requestCode, int resultCode, Intent data) {
return true;
}

// Excludes intents who want to obtain sandbox files.
// Fixes CVE-2020-6563.
if (data != null && data.getData().getPath() != null) {
final String path = data.getData().getPath();
final File file = new File(path);
String normalized;
try {
normalized = file.getCanonicalPath();
} catch (IOException e) {
normalized = path;
}
if (normalized.startsWith("/data")) {
data.setData(Uri.EMPTY);
}
}

// based off of which button was pressed, we get an activity result and a file
// the camera activity doesn't properly return the filename* (I think?) so we use
// this filename instead
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