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 fetch API same origin policy bypass attempt

Rule Explanation

Microsoft Edge allows remote attackers to bypass the Same Origin Policy for HTML elements in other browser windows, aka "Microsoft Edge Security Feature Bypass Vulnerability." This vulnerability is different from those described in CVE-2017-0066 and CVE-2017-0135. Impact: CVSS base score 4.2 CVSS impact score 2.5 CVSS exploitability score 1.6 confidentialityImpact LOW integrityImpact LOW availabilityImpact LOW Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].

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-2017-0140
Microsoft Edge allows remote attackers to bypass the Same Origin Policy for HTML elements in other browser windows, aka "Microsoft Edge Security Feature Bypass Vulnerability." This vulnerability is different from those described in CVE-2017-0066 and CVE-2017-0135.
Details
Severity Base Score4.2
Impact Score2.5 Exploit Score1.6
Confidentiality ImpactLOW Integrity ImpactLOW
Availability ImpactNONE Access Vector
Authentication Ease of Access