CVE-2019-0771 High severity vulnerability that affects Microsoft.ChakraCore
A memory corruption vulnerability in the Microsoft Edge scripting engine allows remote 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-2019-0771?
CVE-2019-0771 is a high-severity memory corruption vulnerability in Microsoft Chakracore, published on 9 Apr 2019. 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 scripting engine handles objects in memory in Microsoft Edge, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0609, CVE-2019-0639, CVE-2019-0680, CVE-2019-0769, CVE-2019-0770, CVE-2019-0773, CVE-2019-0783.
Weakness: CWE-787
Which versions are affected by CVE-2019-0771?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.11.7 |
Microsoft.ChakraCore NuGet | All versions | 1.11.7 |
Products include Microsoft Chakracore, Microsoft Edge.
How do I fix CVE-2019-0771?
Upgrade Microsoft.ChakraCore to 1.11.7 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-0771 being exploited?
There is no known exploitation of CVE-2019-0771 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Chakracore
Sources
Also known as GHSA-fvpg-qx3g-7mp7.