CVE-2020-0970 ChakraCore Remote Code Execution Vulnerability
Remote code execution via memory corruption in the ChakraCore scripting engine allows attackers to execute arbitrary code.
- 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-2020-0970?
CVE-2020-0970 is a high-severity memory corruption vulnerability in Microsoft Chakracore, published on 15 Apr 2020. 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 the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0968.
Weakness: CWE-787
Which versions are affected by CVE-2020-0970?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.11.18 |
Microsoft.ChakraCore NuGet | All versions | 1.11.18 |
Products include Microsoft Chakracore, Microsoft Edge.
How do I fix CVE-2020-0970?
Upgrade Microsoft.ChakraCore to 1.11.18 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-0970 being exploited?
There is no known exploitation of CVE-2020-0970 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Chakracore
Sources
Also known as GHSA-233h-59m2-qqf2.