CVE-2020-7681 Directory Traversal

High 7.5 Published Updated

Attackers can read arbitrary files on the server due to lack of path sanitization in the marscode npm package.

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-2020-7681?

CVE-2020-7681 is a high-severity path traversal vulnerability in marscode, published on 25 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This affects all versions of package marscode. There is no path sanitization in the path provided at fs.readFile in index.js.

Weakness: CWE-22

Which versions are affected by CVE-2020-7681?

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

PackageAffectedFixed in
marscode npmAll versions to 1.0.1-0None
marscode npmAll versions to 1.0.1-0None

Products include Indo-Mars Marscode.

How do I fix CVE-2020-7681?

No fix has been published for CVE-2020-7681 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-2020-7681 being exploited?

There is no known exploitation of CVE-2020-7681 in the wild and no public exploit code.

Sources

Also known as GHSA-8pww-pp5r-rff8.

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