CVE-2018-7764 Path traversal in U.Motion

Medium 4.3 Published Updated

An attacker can exploit a directory traversal flaw in the runscript.php applet to read arbitrary files from the Schneider Electric U.motion Builder system.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2018-7764?

CVE-2018-7764 is a medium-severity path traversal vulnerability in Schneider Electric SE U.Motion, published on 3 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The vulnerability exists within runscript.php applet in Schneider Electric U.motion Builder software versions prior to v1.3.4. There is a directory traversal vulnerability in the processing of the 's' parameter of the applet.

Weakness: CWE-22

Which versions are affected by CVE-2018-7764?

It affects 1 product.

Products include Schneider-Electric U.motion Builder.

How do I fix CVE-2018-7764?

No fix has been published for CVE-2018-7764 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-2018-7764 being exploited?

There is no known exploitation of CVE-2018-7764 in the wild and no public exploit code.

Sources

Also known as GHSA-83v7-6jhf-qmq9.

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