CVE-2016-3202 ChakraCore RCE Vulnerability
Remote attackers can execute arbitrary code or cause denial of service via memory corruption in Microsoft scripting engines when visiting crafted websites.
- 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-2016-3202?
CVE-2016-3202 is a high-severity memory corruption vulnerability in n/a, published on 16 Jun 2016. 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
The Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."
Which versions are affected by CVE-2016-3202?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.2.0.0 |
Microsoft.ChakraCore NuGet | All versions | 1.2.0.0 |
Products include Microsoft Chakra Javascript, Microsoft Jscript, Microsoft Vbscript.
How do I fix CVE-2016-3202?
Upgrade Microsoft.ChakraCore to 1.2.0.0 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-3202 being exploited?
There is no known exploitation of CVE-2016-3202 in the wild and no public exploit code.
Sources
Also known as GHSA-ww6f-76ff-phhj.