Python 'Lib/webbrowser.py' Remote Command Execution Vulnerability(CVE-2017-17522)

### Description Lib/webbrowser.py in Python through 3.6.3 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL. ### Vulnerable: * Python Software Foundation Python 3.6.3 * Python Software Foundation Python 3.5.2 * Python Software Foundation Python 3.5 * Python Software Foundation Python 3.4.5 * Python Software Foundation Python 3.4.3 * Python Software Foundation Python 3.4.2 * Python Software Foundation Python 3.4.1 * Python Software Foundation Python 3.3.3 * Python Software Foundation Python 3.3 * Python Software Foundation Python 3.2.3 * Python Software Foundation Python 3.2.2 * Python Software Foundation Python 3.1.1 * Python Software Foundation Python 3.0.1 * Python Software Foundation Python 2.7.12 * Python Software Foundation Python 2.7.10 * Python Software Foundation Python 2.7.9 * Python Software Foundation Python 2.7.8 * Python Software Foundation Python 2.7.7 * Python Software Foundation Python 2.7.6 * Python Software Foundation Python 2.7.3 * Python Software Foundation Python 2.7.2 * Python Software Foundation Python 2.7 * Python Software Foundation Python 2.6.5 * Python Software Foundation Python 2.6.2 * Python Software Foundation Python 2.5.6 * Python Software Foundation Python 2.5.5 * Python Software Foundation Python 2.5.3 * Python Software Foundation Python 3.7.0 * Python Software Foundation Python 3.6 * Python Software Foundation Python 3.5 * Python Software Foundation Python 3.4.0 * Python Software Foundation Python 3.4 * Python Software Foundation Python 3.3.4 * Python Software Foundation Python 3.3.2 * Python Software Foundation Python 3.3.1 * Python Software Foundation Python 3.3 * Python Software Foundation Python 3.2.6 * Python Software Foundation Python 3.2.5 * Python Software Foundation Python 3.2.4 * Python Software Foundation Python 3.2.1 * Python Software Foundation Python 3.2.0 * Python Software Foundation Python 3.2 * Python Software Foundation Python 3.1.5 * Python Software Foundation Python 3.1.4 * Python Software Foundation Python 3.1.3 * Python Software Foundation Python 3.1.2 * Python Software Foundation Python 3.1 * Python Software Foundation Python 2.7.5 * Python Software Foundation Python 2.7.4 * Python Software Foundation Python 2.7.1 * Python Software Foundation Python 2.7 * Python Software Foundation Python 2.6.8 * Python Software Foundation Python 2.6.7 * Python Software Foundation Python 2.6.6 * Python Software Foundation Python 2.6.3 * Python Software Foundation Python 2.6