CVE-2017-8659 ChakraCore information disclosure vulnerability

Medium 4.3 Published Updated

An attacker can obtain sensitive memory information from Microsoft Edge via the Chakra scripting engine, aiding further system compromise.

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
Available

What is CVE-2017-8659?

CVE-2017-8659 is a medium-severity vulnerability in Microsoft Edge, published on 8 Aug 2017. 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

Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to obtain information to further compromise the user's system due to the Chakra scripting engine not properly handling objects in memory, aka "Scripting Engine Information Disclosure Vulnerability".

Weakness: CWE-200

Which versions are affected by CVE-2017-8659?

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

PackageAffectedFixed in
Microsoft.ChakraCore NuGetAll versions1.6.1
Microsoft.ChakraCore NuGetAll versions1.6.1

Products include Microsoft Edge.

How do I fix CVE-2017-8659?

Upgrade Microsoft.ChakraCore to 1.6.1 or later.

Is CVE-2017-8659 being exploited?

There is no known exploitation of CVE-2017-8659 in the wild and no public exploit code.

All Microsoft Edge vulnerabilities

Sources

Also known as GHSA-h6m7-jphx-f9p5.

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