CVE-2018-7539 Path traversal in n/a
Attackers can read arbitrary OS files via path traversal in the Maintenance Center web server, potentially leading to full device compromise.
- 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-2018-7539?
CVE-2018-7539 is a critical path traversal vulnerability in n/a, published on 17 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On Appear TV XC5000 and XC5100 devices with firmware 3.26.217, it is possible to read OS files with a specially crafted HTTP request (such as GET /../../../../../../../../../../../../etc/passwd) to the web server (fuzzd/0.1.1) running the Maintenance Center on port TCP/8088. This can lead to full compromise of the device.
Weakness: CWE-22
Which versions are affected by CVE-2018-7539?
It affects 2 products.
Products include Appeartv Xc5000 Firmware, Appeartv Xc5100 Firmware.
How do I fix CVE-2018-7539?
No fix has been published for CVE-2018-7539 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-2018-7539 being exploited?
There is no known exploitation of CVE-2018-7539 in the wild and no public exploit code.
Sources
Also known as GHSA-5x2r-g3pj-8qhq.