Exploit Title: Code execution via path traversal
# Date: 17-04-2019
# Exploit Author: Dhiraj Mishra
# Vendor Homepage: http://evernote.com/
# Software Link: https://evernote.com/download
# Version: 7.9
# Tested on: macOS Mojave v10.14.4
# CVE: CVE-2019-10038
# References:
# https://nvd.nist.gov/vuln/detail/CVE-2019-10038
# https://www.inputzero.io/2019/04/evernote-cve-2019-10038.html

Summary:
A local file path traversal issue exists in Evernote 7.9 for macOS which
allows an attacker to execute arbitrary programs.

Technical observation:
A crafted URI can be used in a note to perform this attack using file:///
has an argument or by traversing to any directory like
(../../../../something.app).

Since, Evernote also has a feature of sharing notes, in such case attacker
could leverage this vulnerability and send crafted notes (.enex) to the
victim to perform any further attack.

Patch:
The patch for this issue is released in Evernote 7.10 Beta 1 for macOS
[MACOSNOTE-28840]. Also, the issue is tracked by CVE-2019-10038.