CVE-2019-0746 Microsoft.ChakraCore vulnerable to Exposure of Sensitive Information to an Unauthorized Actor
An attacker can exploit improper memory handling in the scripting engine to disclose sensitive information from Microsoft Edge and Internet Explorer.
- 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-2019-0746?
CVE-2019-0746 is a medium-severity vulnerability in Microsoft Chakracore, published on 8 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
An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft Edge, aka 'Scripting Engine Information Disclosure Vulnerability'.
Which versions are affected by CVE-2019-0746?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.11.7 |
Microsoft.ChakraCore NuGet | All versions | 1.11.7 |
Products include Microsoft Chakracore, Microsoft Edge, Microsoft Internet Explorer.
How do I fix CVE-2019-0746?
Upgrade Microsoft.ChakraCore to 1.11.7 or later.
Is CVE-2019-0746 being exploited?
There is no known exploitation of CVE-2019-0746 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Chakracore
Sources
Also known as GHSA-jhx3-2w5x-x39x.