CVE-2017-0234 ChakraCore RCE Vulnerability
Remote attackers can execute arbitrary code by exploiting a memory corruption flaw in the Chakra JavaScript engine within Microsoft Edge.
- 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-2017-0234?
CVE-2017-0234 is a high-severity memory corruption vulnerability in Microsoft Edge, published on 12 May 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
A remote code execution vulnerability exists in Microsoft Edge in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0224, CVE-2017-0228, CVE-2017-0229, CVE-2017-0230, CVE-2017-0235, CVE-2017-0236, and CVE-2017-0238.
Weakness: CWE-119
Which versions are affected by CVE-2017-0234?
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-2017-0234?
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-2017-0234 being exploited?
There is no known exploitation of CVE-2017-0234 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Edge
Sources
Also known as GHSA-6p7q-85qq-7c43.