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Remote Code Execution (RCE) Affecting microsoft.chakracore package, versions [1.4.0,1.5.2)

0.0
high

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 7.42% (95th percentile)
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NVD
7.5 high

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  • Snyk ID SNYK-DOTNET-MICROSOFTCHAKRACORE-174401
  • published 18 Apr 2019
  • disclosed 13 Jun 2017
  • credit Unknown
Report a new vulnerability Found a mistake?

Introduced: 13 Jun 2017

CVE-2017-8520 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade Microsoft.ChakraCore to version 1.5.2 or higher.

Overview

Microsoft.ChakraCore is the core part of the Chakra Javascript engine that powers Microsoft Edge.

Affected versions of this package are vulnerable to Remote Code Execution (RCE). An attacker may be able to execute arbitrary code in the context of the current user because of use-after-free bug. ServerScriptContext is freed before being unregistered.

Note: This CVE ID is different from CVE-2017-8499, CVE-2017-8521, CVE-2017-8548, and CVE-2017-8549.