CVE-2018-3809 Information Exposure on Case Insensitive File Systems in serve

Medium 5.3 Published Updated

An attacker can access ignored files and directory listings in the serve package, leading to unauthorized information disclosure.

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

What is CVE-2018-3809?

CVE-2018-3809 is a medium-severity vulnerability in n/a, published on 1 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Information exposure through directory listings in serve 6.5.3 allows directory listing and file access even when they have been set to be ignored.

Weakness: CWE-200

Which versions are affected by CVE-2018-3809?

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

PackageAffectedFixed in
serve npmAll versions7.0.0
serve npmAll versions7.0.0

Products include Zeit Serve.

How do I fix CVE-2018-3809?

Upgrade serve to 7.0.0 or later.

Is CVE-2018-3809 being exploited?

There is no known exploitation of CVE-2018-3809 in the wild and no public exploit code.

Sources

Also known as GHSA-686g-3xr3-x4x6.

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