Rule Category

BROWSER-CHROME -- Snort has detected suspicious traffic known to exploit vulnerabilities present in the Chrome browser. These rules are separate from the "browser-webkit" category; while it uses the Webkit rendering engine, there's a lot of other features to create a secondary Chrome category.

Alert Message

BROWSER-CHROME Google V8 engine type confusion attempt

Rule Explanation

This rule alerts when an attacker attempts to exploit CVE-2018-6064. Impact: Attempted User Privilege Gain Details: An attacker can abuse a type confusion vulnerability in Google Chrome's V8 engine that may lead to out of bounds memory access or write. Attackers who abuse this vulnerability may be able to execute code remotely on a victim machine. Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic:

Technique:

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Rule Vulnerability

CVE Additional Information

CVE-2018-6064
Type Confusion in the implementation of __defineGetter__ in V8 in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Details
Severity Base Score8.8
Impact Score5.9 Exploit Score2.8
Confidentiality ImpactHIGH Integrity ImpactHIGH
Availability ImpactHIGH Attack VectorNETWORK
ScopeUNCHANGED User InteractionREQUIRED
Authentication Ease of AccessLOW
Privileges RequiredNONE