CVE-2017-17522 Command injection in n/a
Attackers could potentially execute arbitrary commands via argument injection in the webbrowser module if the BROWSER environment variable is manipulated, though exploitation is disputed.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-17522?
CVE-2017-17522 is a high-severity command injection vulnerability in Python Python, published on 14 Dec 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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. NOTE: a software maintainer indicates that exploitation is impossible because the code relies on subprocess.Popen and the default shell=False setting
Weakness: CWE-74
Which versions are affected by CVE-2017-17522?
It affects 1 product.
Products include Python Python.
How do I fix CVE-2017-17522?
No fix published yet.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2017-17522 being exploited?
There is no known exploitation of CVE-2017-17522 in the wild and no public exploit code.
Other vulnerabilities in Python Python
Sources
Also known as AZL-109617, AZL-6823, DEBIAN-CVE-2017-17522, GHSA-3qjm-23v2-9v26.