CVE-2017-0223 ChakraCore RCE Vulnerability
Remote attackers can execute arbitrary code by exploiting a memory corruption flaw in the Chakra Core JavaScript engine.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-0223?
CVE-2017-0223 is a critical memory corruption vulnerability in Microsoft Edge, published on 15 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A remote code execution vulnerability exists in Microsoft Chakra Core in the way JavaScript engines render when handling objects in memory. aka "Scripting Engine Memory Corruption Vulnerability". This vulnerability is unique from CVE-2017-0252.
Weakness: CWE-119
Which versions are affected by CVE-2017-0223?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.4.4 |
Microsoft.ChakraCore NuGet | All versions | 1.4.4 |
Products include Microsoft Edge.
How do I fix CVE-2017-0223?
Upgrade Microsoft.ChakraCore to 1.4.4 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-0223 being exploited?
There is no known exploitation of CVE-2017-0223 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Edge
Sources
Also known as GHSA-448h-7hmp-99fg.