CVE-2017-17516 Reddit Terminal Viewer (RTV) vulnerable to argument injection attacks
Attackers can execute arbitrary commands via argument injection in the BROWSER environment variable when opening crafted URLs in RTV.
- 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
- None listed
What is CVE-2017-17516?
CVE-2017-17516 is a high-severity command injection vulnerability in n/a, 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
scripts/inspect_webbrowser.py in Reddit Terminal Viewer (RTV) 1.19.0 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.
Weakness: CWE-74
Which versions are affected by CVE-2017-17516?
3 open source packages ship an affected version, including rtv. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
rtv PyPI | All versions to 1.19.0 | None |
rtv PyPI | All versions to 1.19.0 | None |
rtv PyPI | All versions to 1.19.0 | None |
Products include Reddit Terminal Viewer Project Reddit Terminal Viewer.
How do I fix CVE-2017-17516?
No fix has been published for CVE-2017-17516 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2017-17516 being exploited?
There is no known exploitation of CVE-2017-17516 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2017-17516, GHSA-336h-q7mh-8vf8, PYSEC-2026-914, UBUNTU-CVE-2017-17516.