CVE-2018-7171 Path traversal in n/a

High 7.5 Published 30 Mar 2018 Updated 5 Aug 2024

Remote attackers can read arbitrary files from the server via directory traversal in the contentbase parameter.

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-2018-7171?

CVE-2018-7171 is a high-severity path traversal vulnerability in n/a, published on 30 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Directory traversal vulnerability in Twonky Server 7.0.11 through 8.5 allows remote attackers to share the contents of arbitrary directories via a .. (dot dot) in the contentbase parameter to rpc/set_all.

Weakness: CWE-22

Which versions are affected by CVE-2018-7171?

It affects 1 product.

Products include Lynxtechnology Twonky Server.

How do I fix CVE-2018-7171?

No fix has been published for CVE-2018-7171 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-2018-7171 being exploited?

There is no known exploitation of CVE-2018-7171 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-w6p6-8rg5-jg22.