Vulnerability · Published Sep 11, 2020 · Assigned by microsoft
CVE-2020-1172Scripting Engine Memory Corruption Vulnerability
Medium 4.2
In plain English
A medium-severity security flaw in ChakraCore from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
<p>A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.</p> <p>If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>The security update addresses the vulnerability by modifying how the ChakraCore scripting engine handles objects in memory.</p>
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | microsoft.chakracore | 1.11.22 | GHSA-xxfr-jrgh-x392 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | ChakraCore | 0 – before publication |
| Microsoft | Microsoft Edge (EdgeHTML-based) | 1.0..0 – before publication |