CVE-2017-16759 LibreNMS Arbitrary File Read
Remote attackers can read arbitrary files via the installation process in LibreNMS, exposing sensitive system information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-16759?
CVE-2017-16759 is a medium-severity path traversal vulnerability in Librenms Librenms, published on 9 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The installation process in LibreNMS before 2017-08-18 allows remote attackers to read arbitrary files, related to html/install.php.
Weakness: CWE-22
Which versions are affected by CVE-2017-16759?
2 open source packages ship an affected version, including librenms/librenms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
librenms/librenms Packagist | All versions | 1.31 |
librenms/librenms Packagist | All versions | 1.31 |
Products include Librenms Librenms.
How do I fix CVE-2017-16759?
Upgrade librenms/librenms to 1.31 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-16759 being exploited?
There is no known exploitation of CVE-2017-16759 in the wild and no public exploit code.
Other vulnerabilities in Librenms Librenms
Sources
Also known as GHSA-4ccx-wjqp-5fww.