CVE-2016-7202: Microsoft.ChakraCore Remote Code Execution Vulnerability

HIGH
Advisory Identifier: GHSA-mmfq-r3rg-8r7w
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CVSS 7.5
CWE-119
Published
Advisory Summary

CVE-2016-7202 is a HIGH (CVSS 7.5) remote code execution vulnerability (CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer) affecting Microsoft.ChakraCore libraries in the NuGet ecosystem. The issue involves chakracore rce vulnerability. Remediation is available by upgrading affected packages to version 1.2.2.

CVE-2016-7202 at a Glance

CVE Identifier CVE-2016-7202
GHSA Identifier GHSA-mmfq-r3rg-8r7w
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected Product Microsoft.ChakraCore
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 7.5

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

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

How to Fix CVE-2016-7202

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: 1.2.2 
Upgrade Microsoft.ChakraCore to 1.2.2
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-2016-7202, 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 1.2.2), 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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer, where the product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. this may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. 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

The scripting engines in Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," as demonstrated by the Chakra JavaScript engine, a different vulnerability than CVE-2016-7200, CVE-2016-7201, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.

CVE-2016-7202 Affected Microsoft.ChakraCore Versions

1 component(s)
Fixed Versions:
1.2.2
Product / Package Ecosystem Affected Versions Fixed Version
Microsoft.ChakraCore
nuget/Microsoft.ChakraCore
NuGet
< 1.2.2
1.2.2

References

NVD — CVE-2016-7202 NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7202
Microsoft.ChakraCore Source Repository REPOSITORY
https://github.com/chakra-core/ChakraCore/pull/2196
Security Fix Commit FIX COMMIT
https://github.com/chakra-core/ChakraCore/commit/c2787ef8fdb7401922e9ec6540e4e5895d11c631
Microsoft.ChakraCore Security Information SECURITY
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129
Microsoft.ChakraCore Security Information SECURITY
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-144
Microsoft.ChakraCore Source Repository REPOSITORY
https://github.com/chakra-core/ChakraCore
Microsoft.ChakraCore Security Information SECURITY
https://web.archive.org/web/20210123185141/http://www.securityfocus.com/bid/94042
Microsoft.ChakraCore Security Information SECURITY
https://web.archive.org/web/20211126224744/http://www.securitytracker.com/id/1037245
www.exploit-db.com/exploits/40786 WEB
https://www.exploit-db.com/exploits/40786
www.exploit-db.com/exploits/40793 WEB
https://www.exploit-db.com/exploits/40793
www.zerodayinitiative.com/advisories/zdi-16-5... WEB
http://www.zerodayinitiative.com/advisories/ZDI-16-593

Frequently Asked Questions

What is CVE-2016-7202?
CVE-2016-7202 is a security vulnerability in Microsoft.ChakraCore involving ChakraCore RCE Vulnerability under CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer.
Which Microsoft.ChakraCore versions are affected?
Affected versions include releases prior to 1.2.2 across affected packages: Microsoft.ChakraCore.
What version fixes CVE-2016-7202?
Upgrading to 1.2.2 (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 1.2.2. Upgrade your dependency to 1.2.2 or later.
What is the CVSS score of CVE-2016-7202?
CVE-2016-7202 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2016-7202?
CVE-2016-7202 is classified under CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer (The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.).
How can I check NuGet dependencies for CVE-2016-7202?
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-mmfq-r3rg-8r7w",
  "modified" : "2023-11-01T19:44:27Z",
  "published" : "2022-05-14T02:22:42Z",
  "aliases" : [ "CVE-2016-7202" ],
  "summary" : "ChakraCore RCE Vulnerability",
  "details" : "The scripting engines in Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Scripting Engine Memory Corruption Vulnerability,\" as demonstrated by the Chakra JavaScript engine, a different vulnerability than CVE-2016-7200, CVE-2016-7201, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.ChakraCore"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.2.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2016-7202"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/chakra-core/ChakraCore/pull/2196"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/chakra-core/ChakraCore/commit/c2787ef8fdb7401922e9ec6540e4e5895d11c631"
  }, {
    "type" : "WEB",
    "url" : "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129"
  }, {
    "type" : "WEB",
    "url" : "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-144"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/chakra-core/ChakraCore"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20210123185141/http://www.securityfocus.com/bid/94042"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20211126224744/http://www.securitytracker.com/id/1037245"
  }, {
    "type" : "WEB",
    "url" : "https://www.exploit-db.com/exploits/40786"
  }, {
    "type" : "WEB",
    "url" : "https://www.exploit-db.com/exploits/40793"
  }, {
    "type" : "WEB",
    "url" : "http://www.zerodayinitiative.com/advisories/ZDI-16-593"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-119" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-28T20:31:02Z",
    "nvd_published_at" : "2016-11-10T06:59:00Z"
  }
}