CVE-2018-7783 XML external entity in SoMachine Basic

High 7.5 Published Updated

An attacker can exploit an XML External Entity vulnerability in SoMachine Basic to disclose and retrieve arbitrary data from the affected system via an out-of-band attack.

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-2018-7783?

CVE-2018-7783 is a high-severity vulnerability in Schneider Electric SE SoMachine Basic, published on 3 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Schneider Electric SoMachine Basic prior to v1.6 SP1 suffers from an XML External Entity (XXE) vulnerability using the DTD parameter entities technique resulting in disclosure and retrieval of arbitrary data on the affected node via out-of-band (OOB) attack. The vulnerability is triggered when input passed to the xml parser is not sanitized while parsing the xml project/template file.

Weakness: CWE-611

Which versions are affected by CVE-2018-7783?

It affects 1 product.

Products include Schneider-Electric Somachine Basic.

How do I fix CVE-2018-7783?

No fix has been published for CVE-2018-7783 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-7783 being exploited?

There is no known exploitation of CVE-2018-7783 in the wild and no public exploit code.

Sources

Also known as GHSA-cm3h-688r-2c3x.

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