CVE-2018-0936 ChakraCore RCE Vulnerability

High 7.5 Published Updated

Remote attackers can execute arbitrary code by exploiting a memory corruption flaw in the Chakra scripting engine used by Microsoft Edge and Windows 10.

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-2018-0936?

CVE-2018-0936 is a high-severity memory corruption vulnerability in Microsoft Edge, published on 14 Mar 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

ChakraCore and Microsoft Windows 10 1709 allow remote code execution, due to how the Chakra scripting engine handles objects in memory, aka "Chakra Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0872, CVE-2018-0873, CVE-2018-0874, CVE-2018-0930, CVE-2018-0931, CVE-2018-0933, CVE-2018-0934, and CVE-2018-0937.

Weakness: CWE-787

Which versions are affected by CVE-2018-0936?

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

PackageAffectedFixed in
Microsoft.ChakraCore NuGetAll versions1.8.2
Microsoft.ChakraCore NuGetAll versions1.8.2

Products include Microsoft Edge.

How do I fix CVE-2018-0936?

Upgrade Microsoft.ChakraCore to 1.8.2 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-0936 being exploited?

There is no known exploitation of CVE-2018-0936 in the wild and no public exploit code.

All Microsoft Edge vulnerabilities

Sources

Also known as GHSA-6v8r-83v3-rmrf.

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