Rule Category

MALWARE-OTHER --

Alert Message

MALWARE-OTHER known malicious browser profiler script download attempt

Rule Explanation

This event is generated when an attacker attempts to exploit a use after free in Google Chrome. Impact: Attempted User Privilege Gain Details: This rule checks for attempts to exploit a use after free in Google Chrome's Blink library. 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

Additional Links

Rule Vulnerability

CVE Additional Information

CVE-2019-13720
Use after free in WebAudio in Google Chrome prior to 78.0.3904.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Details
SeverityMEDIUM Base Score6.8
Impact Score6.4 Exploit Score8.6
Confidentiality ImpactPARTIAL Integrity ImpactPARTIAL
Availability ImpactPARTIAL Access VectorNETWORK
AuthenticationNONE Ease of AccessMEDIUM