CVE-2017-9538 Path traversal in n/a

Medium 4.9 Published Updated

Remote attackers can cause a permanent denial of service in SolarWinds NPM by exploiting a flawed directory traversal protection mechanism in the logo upload feature.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-9538?

CVE-2017-9538 is a medium-severity path traversal vulnerability in n/a, published on 2 Oct 2017. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The 'Upload logo from external path' function of SolarWinds Network Performance Monitor version 12.0.15300.90 allows remote attackers to cause a denial of service (permanent display of a "Cannot exit above the top directory" error message throughout the entire web application) via a ".." in the path field. In other words, the denial of service is caused by an incorrect implementation of a directory-traversal protection mechanism.

Weakness: CWE-20

Which versions are affected by CVE-2017-9538?

It affects 1 product.

Products include Solarwinds Network Performance Monitor.

How do I fix CVE-2017-9538?

No fix has been published for CVE-2017-9538 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-2017-9538 being exploited?

There is no known exploitation of CVE-2017-9538 in the wild and no public exploit code.

Sources

Also known as GHSA-hwf6-mrmq-vv3x.

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