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CVE-2018-17463

Google — Google Chromium V8 Remote Code Execution Vulnerability

Google · Remote code execution · in CISA KEV since 2022-06-08

KEV since 2022 · listed over a yearCISA KEVActively Exploited
82

EVRS 82 of 100 Urgent

Patch This Cycle

Rank 546 of 2,960 tracked

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Why it scores 82

Evidence available: 6 of 7 signals

Listed in the CISA KEV catalog, and an EPSS probability of 0.846.

  • CISA KEVApplied
  • RansomwareDid not apply
  • Vendor exploitationDid not apply
  • EPSSApplied
  • Microsoft Exploitability IndexNot applicable
  • Pre-patch disclosureNo data
  • KEV recencyDid not apply
  • CVSSApplied

The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data

Fix

Patch or fixed version identified

CISA required action

Fixed in

chromium-browser -> 70.0.3538.67-0ubuntu0.18.04.1

Affected versions

  • chrome< 70.0.3538.67
  • enterprise linux desktop6.0
  • enterprise linux server6.0
  • enterprise linux workstation6.0
  • debian linux9.0

Remediation

Apply updates per vendor instructions.

Fixed versions from NVD.

Evidence

Each value with its source
MeasureValueSource
CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. 8.8 NVD
FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. 0.846 (99.7th pctl) FIRST EPSS
Actively exploitedWhether a source of record has confirmed attacks using it in the wild. Confirmed CISA KEV
Ransomware campaign useWhether CISA has seen ransomware operators use it. Unknown or none CISA KEV
CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. 2022-06-22 · KEV since 2022 · listed over a year CISA KEV
Public exploit moduleA module existing is not the same as active exploitation. Public module exists Metasploit
EUVD cross-referenceENISA's record: CVSS 8.8 (v3.1), assigned by Chrome. Listed ENISA EUVD

Description

NVD

Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

What CISA says to do

Public module

Metasploit lists a public manual-rank module for this CVE: Google Chrome 67, 68 and 69 Object.create exploit (multi/browser/chrome_object_create). A module existing is not the same as active exploitation; see metasploit.com.