CVE-2018-8452: Microsoft.ChakraCore ChakraCore Information Disclosure Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-w3qr-8v4r-592m
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CVSS 4.3
CWE-200
Published
Advisory Summary

CVE-2018-8452 is a MODERATE (CVSS 4.3) chakracore information disclosure vulnerability vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Microsoft.ChakraCore libraries in the NuGet ecosystem. The issue involves chakracore information disclosure vulnerability. Remediation is available by upgrading affected packages to version 1.11.1.

CVE-2018-8452 at a Glance

CVE Identifier CVE-2018-8452
GHSA Identifier GHSA-w3qr-8v4r-592m
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Microsoft.ChakraCore
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 4.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2018-8452

To remediate this vulnerability, upgrade all affected Microsoft.ChakraCore dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Microsoft.ChakraCore fixed: 1.11.1 
Upgrade Microsoft.ChakraCore to 1.11.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for Microsoft.ChakraCore

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-8452, inspect your project dependencies for Microsoft.ChakraCore:

inspect dependencies for Microsoft.ChakraCore

Analyze the terminal output to locate any version of Microsoft.ChakraCore in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.11.1), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Microsoft.ChakraCore, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers, aka "Scripting Engine Information Disclosure Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge.

CVE-2018-8452 Affected Microsoft.ChakraCore Versions

1 component(s)
Fixed Versions:
1.11.1
Product / Package Ecosystem Affected Versions Fixed Version
Microsoft.ChakraCore
nuget/Microsoft.ChakraCore
NuGet
< 1.11.1
1.11.1

References

NVD — CVE-2018-8452 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8452
Security Fix Commit FIX COMMIT
https://github.com/chakra-core/ChakraCore/commit/3f3544801cc01e9f54cab84b20602a3b5e29c3ef
Microsoft.ChakraCore Source Repository REPOSITORY
https://github.com/chakra-core/ChakraCore
Microsoft.ChakraCore Security Information SECURITY
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8452
Microsoft.ChakraCore Security Information SECURITY
https://web.archive.org/web/20210124203129/http://www.securityfocus.com/bid/105252
Microsoft.ChakraCore Security Information SECURITY
https://web.archive.org/web/20221128100304/http://www.securitytracker.com/id/1041623

Frequently Asked Questions

What is CVE-2018-8452?
CVE-2018-8452 is a security vulnerability in Microsoft.ChakraCore involving ChakraCore information disclosure vulnerability under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Microsoft.ChakraCore versions are affected?
Affected versions include releases prior to 1.11.1 across affected packages: Microsoft.ChakraCore.
What version fixes CVE-2018-8452?
Upgrading to 1.11.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Microsoft.ChakraCore affected?
Yes, Microsoft.ChakraCore is affected in releases prior to 1.11.1. Upgrade your dependency to 1.11.1 or later.
What is the CVSS score of CVE-2018-8452?
CVE-2018-8452 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2018-8452?
CVE-2018-8452 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check NuGet dependencies for CVE-2018-8452?
Run the dependency tree command: 'inspect dependencies for Microsoft.ChakraCore'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-w3qr-8v4r-592m",
  "modified" : "2023-10-06T15:22:42Z",
  "published" : "2022-05-13T01:53:42Z",
  "aliases" : [ "CVE-2018-8452" ],
  "summary" : "ChakraCore information disclosure vulnerability",
  "details" : "An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers, aka \"Scripting Engine Information Disclosure Vulnerability.\" This affects ChakraCore, Internet Explorer 11, Microsoft Edge.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.ChakraCore"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.11.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-8452"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/chakra-core/ChakraCore/commit/3f3544801cc01e9f54cab84b20602a3b5e29c3ef"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/chakra-core/ChakraCore"
  }, {
    "type" : "WEB",
    "url" : "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8452"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20210124203129/http://www.securityfocus.com/bid/105252"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20221128100304/http://www.securitytracker.com/id/1041623"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-24T20:22:00Z",
    "nvd_published_at" : "2018-09-13T00:29:00Z"
  }
}