CVE DatabaseCVE-2017-5030

Updated 2026-06-17한국어 권고문 →

CVE-2017-50308.8/HIGHCISA KEVCWE-125CWE-125

Google Chrome V8 Complex Species Handling Remote Code Execution Vulnerability (CVE-2017-5030)

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Affected Vendors

google

Affected Components

chrome, v8

Published Date

2017-04-24

CVSS v3.1

8.8

HIGH

EPSS (30d)

40.6%

FIRST.org

CISA KEV

Exploited

NVD Source ↗

Executive & SecOps Summary

SECOPS ASSESSMENT

Affected Scope

Google Chrome prior to 57.0.2987.98 for desktop (Windows, macOS, Linux) and prior to 57.0.2987.108 for Android

Impact

Successful exploitation allows remote attackers to execute arbitrary code within the context of the browser renderer process or bypass sandbox boundaries via a crafted HTML page

Mitigation

Immediately update Google Chrome to the latest stable channel release (57.0.2987.98 / 108 or higher)

Affected Products & Version Scope

Google Chrome prior to 57.0.2987.98 (Desktop) and prior to 57.0.2987.108 (Android)

Remediation & Live Workaround Commands

PATCH & WORKAROUND

1. Official Patch & Version Upgrade Commands

Update Google Chrome to the latest version using the system package manager on Linux environments.

bash

# For Debian/Ubuntu-based systems
sudo apt-get update
sudo apt-get --only-upgrade install google-chrome-stable -y

# For RedHat/CentOS/Rocky Linux-based systems
sudo yum update google-chrome-stable -y

2. Temporary Workaround & Hardening Configuration

If immediate patching is not feasible, enforce strict browser policies to restrict access to untrusted external sites and ensure sandbox features are strictly enabled.

bash

# Verify that Chrome is running with sandbox enabled (never use --no-sandbox)
ps aux | grep chrome | grep -v 'no-sandbox'

# Deploy enterprise policy to restrict untrusted domains (Linux example)
sudo mkdir -p /etc/opt/chrome/policies/managed
echo "{
  'URLBlocklist': ['*'],
  'URLAllowlist': ['https://*.internal.corp.com']
}" | sudo tee /etc/opt/chrome/policies/managed/policy.json

3. Log Audit & IoC Verification Commands

Use the following script to audit the installed Google Chrome version and identify if the system is vulnerable to CVE-2017-5030.

bash

#!/bin/bash
# Audit script for Google Chrome vulnerability status
if command -v google-chrome &> /dev/null; then
    CURRENT_VER=$(google-chrome --version | awk '{print $3}')
    echo '[+] Current Chrome Version: '$CURRENT_VER
    
    # Compare with patched version 57.0.2987.98
    PATCHED_VER='57.0.2987.98'
    if [ '$(printf "%s\
%s" "$PATCHED_VER" "$CURRENT_VER" | sort -V | head -n1)' != '$PATCHED_VER' ]; then
        echo '[-] WARNING: System is VULNERABLE to CVE-2017-5030. Upgrade required.'
    else
        echo '[+] System is secure (patched version or newer installed).'
    fi
else
    echo '[-] Google Chrome is not installed on this host.'
fi

Interactive SecOps Remediation Checklist

0/4 (0%)

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Technical Root Cause & Exploitation Mechanics

1. Vulnerability Overview & Root Cause

This vulnerability (CVE-2017-5030) exists in the V8 JavaScript engine of Google Chrome due to incorrect handling of complex 'species' (Symbol.species) constructors. When built-in array methods like Array.prototype.map instantiate a new array, they query the Symbol.species property. If a developer-defined getter modifies the array's structure or size during this callback, V8 fails to track the dynamic type (Map) transition correctly, leading to Type Confusion and Out-of-Bounds Read (CWE-125) conditions.

2. Exploitation Mechanics & Attack Scenario

An attacker can craft a malicious HTML page containing JavaScript that overrides the Symbol.species getter. When the victim visits the page, the script triggers an array operation where the getter callback resizes the underlying array buffer. Because the V8 JIT compiler (TurboFan) optimizes the code assuming a static array layout, it accesses memory outside the newly allocated boundaries. This allows the attacker to leak sensitive memory addresses and construct a read/write primitive to execute arbitrary shellcode.

3. Infrastructure & Business Impact

As a CISA KEV-listed vulnerability with an EPSS score of 0.4063, this flaw has been actively exploited in the wild. Successful exploitation bypasses standard browser security controls, potentially leading to endpoint compromise, credential theft, and lateral movement within corporate networks if the browser process is chained with a sandbox escape vulnerability.

Official Vendor Advisories & References

NVD Original English Description

Incorrect handling of complex species in V8 in Google Chrome prior to 57.0.2987.98 for Linux, Windows, and Mac and 57.0.2987.108 for Android allowed a remote attacker to execute arbitrary code via a crafted HTML page.

http://rhn.redhat.com/errata/RHSA-2017-0499.html

Source: chrome-cve-admin@google.com · Third Party Advisory

http://www.debian.org/security/2017/dsa-3810

Source: chrome-cve-admin@google.com · Mailing List, Third Party Advisory

http://www.securityfocus.com/bid/96767

Source: chrome-cve-admin@google.com · Broken Link, Third Party Advisory, VDB Entry

https://chromereleases.googleblog.com/2017/03/stable-channel-update-for-desktop.html

Source: chrome-cve-admin@google.com · Release Notes, Vendor Advisory

https://crbug.com/682194

Source: chrome-cve-admin@google.com · Exploit, Issue Tracking

https://security.gentoo.org/glsa/201704-02

Source: chrome-cve-admin@google.com · Third Party Advisory

Frequently Asked SecOps Questions (CVE-2017-5030)

FAQ

Q1. How critical is CVE-2017-5030 and is it actively exploited in the wild?

CVE-2017-5030 is rated CVSS 8.8 (HIGH) with a 30-day EPSS exploitation probability of 40.6%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.

Q2. Which vendors and products are affected by CVE-2017-5030?

Primary impacted vendors include google across chrome, v8. Scope summary: Google Chrome prior to 57.0.2987.98 (Desktop) and prior to 57.0.2987.108 (Android)

Q3. What temporary mitigations or workarounds exist for CVE-2017-5030 before patching?

[Mitigation] Immediately update Google Chrome to the latest stable channel release (57.0.2987.98 / 108 or higher) Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.

SECOPS WORKBENCH INTEGRATION