CVE-2017-18354 rendertron LFI vulnerability

High 7.5 Published Updated

Remote attackers can read arbitrary local files via file:// protocol injection in Rendertron, exposing sensitive system data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-18354?

CVE-2017-18354 is a high-severity path traversal vulnerability in n/a, published on 17 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Rendertron 1.0.0 allows for alternative protocols such as 'file://' introducing a Local File Inclusion (LFI) bug where arbitrary files can be read by a remote attacker.

Weakness: CWE-22

Which versions are affected by CVE-2017-18354?

2 open source packages ship an affected version, including rendertron. It affects 1 product.

PackageAffectedFixed in
rendertron npmAll versions1.1.0
rendertron npmAll versions1.1.0

Products include Google Rendertron.

How do I fix CVE-2017-18354?

Upgrade rendertron to 1.1.0 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2017-18354 being exploited?

There is no known exploitation of CVE-2017-18354 in the wild and no public exploit code.

Sources

Also known as GHSA-j87c-cj65-vmh5.

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