CVE-2017-17739 Path traversal in n/a
Attackers can read or write arbitrary files on BrightSign Digital Signage devices via directory traversal in the storage interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-17739?
CVE-2017-17739 is a critical path traversal vulnerability in n/a, published on 18 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has directory traversal via the /storage.html rp parameter, allowing an attacker to read or write to files.
Weakness: CWE-22
Which versions are affected by CVE-2017-17739?
It affects 1 product.
Products include Brightsign 4k242 Firmware.
How do I fix CVE-2017-17739?
No fix has been published for CVE-2017-17739 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-2017-17739 being exploited?
There is no known exploitation of CVE-2017-17739 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fvj2-pxrc-fhj8.