CVE-2019-16990 Path traversal in n/a
An attacker can download arbitrary files from the server by exploiting an unsanitized file parameter in FusionPBX.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-16990?
CVE-2019-16990 is a medium-severity path traversal vulnerability in Fusionpbx Fusionpbx, published on 21 Oct 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In FusionPBX up to v4.5.7, the file app/music_on_hold/music_on_hold.php uses an unsanitized "file" variable coming from the URL, which takes any pathname (base64 encoded) and allows a download of it.
Weakness: CWE-22
Which versions are affected by CVE-2019-16990?
It affects 1 product.
Products include Fusionpbx Fusionpbx.
How do I fix CVE-2019-16990?
No fix has been published for CVE-2019-16990 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-16990 being exploited?
There is no known exploitation of CVE-2019-16990 in the wild and no public exploit code.
Other vulnerabilities in Fusionpbx Fusionpbx
Sources
Also known as GHSA-33r6-wr5p-6jqw.