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 Chrome desktopMediaPickerController use after free attempt

Rule Explanation

Rule tries to catch exploit attempt for CVE-2019-13767 using the content present in publicly available proof of concept javascript code

What To Look For

Attacker tries to exploit CVE-2019-13767 with crafted malicious javascript code

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

Additional Links

Rule Vulnerability

CVE Additional Information

CVE-2019-13767
Use after free in media picker in Google Chrome prior to 79.0.3945.88 allowed a remote attacker who had compromised the renderer process 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