CVE-2017-11812 Memory corruption in ChakraCore, Microsoft Edge

High 7.5 Published 13 Oct 2017 Updated 16 Sep 2024

An attacker can execute arbitrary code in the context of the current user via a memory corruption flaw in the ChakraCore scripting engine.

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-2017-11812?

CVE-2017-11812 is a high-severity memory corruption vulnerability in Microsoft Chakracore, published on 13 Oct 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

ChakraCore and Microsoft Edge in Microsoft Windows 10 1511, 1607, 1703, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11792, CVE-2017-11793, CVE-2017-11796, CVE-2017-11797, CVE-2017-11798, CVE-2017-11799, CVE-2017-11800, CVE-2017-11801, CVE-2017-11802, CVE-2017-11804, CVE-2017-11805, CVE-2017-11806, CVE-2017-11807, CVE-2017-11808, CVE-2017-11809, CVE-2017-11810, CVE-2017-11812, and CVE-2017-11821.

Weakness: CWE-119

Which versions are affected by CVE-2017-11812?

It affects 2 products.

Products include Microsoft Chakracore, Microsoft Edge.

How do I fix CVE-2017-11812?

No fix has been published for CVE-2017-11812 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2017-11812 being exploited?

There is no known exploitation of CVE-2017-11812 in the wild and no public exploit code.

All Microsoft Chakracore vulnerabilities

Sources

Also known as GHSA-3v77-c57x-prrv.