CVE-2017-8710 XML external entity in Microsoft Common Console Document (.msc)

Medium 5.5 Published Updated

An attacker can read arbitrary files on Windows systems by exploiting an XML External Entity vulnerability in the Microsoft Common Console Document parser.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2017-8710?

CVE-2017-8710 is a medium-severity vulnerability in Microsoft Windows 7, published on 13 Sep 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The Microsoft Common Console Document (.msc) in Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1 allows an attacker to read arbitrary files via an XML external entity (XXE) declaration, due to the way that the Microsoft Common Console Document (.msc) parses XML input containing a reference to an external entity, aka "Windows Information Disclosure Vulnerability".

Weakness: CWE-611

Which versions are affected by CVE-2017-8710?

It affects 2 products.

Products include Microsoft Windows 7, Microsoft Windows Server 2008.

How do I fix CVE-2017-8710?

No fix has been published for CVE-2017-8710 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-8710 being exploited?

There is no known exploitation of CVE-2017-8710 in the wild and no public exploit code.

All Microsoft Windows 7 vulnerabilities

Sources

Also known as GHSA-v2hx-p2cq-5wm5.

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