Rule Category

BROWSER-IE -- Snort has detected traffic known to exploit vulnerabilities present in the Internet Explorer browser, or products that have the Trident or Tasman engines.

Alert Message

BROWSER-IE Microsoft Edge VBScript engine memory corruption attempt

Rule Explanation

This alert occurs when an attacker attempts to exploit CVE-2019-1238. Impact: Attempted User Privilege Gain Details: 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-2019-1238
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-1239.
Details
SeverityHIGH Base Score7.1
Impact Score10.0 Exploit Score3.9
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access VectorNETWORK
AuthenticationSINGLE Ease of AccessHIGH