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 Internet Explorer vbscript regular expression information disclosure attempt

Rule Explanation

The Microsoft (1) VBScript 5.6 through 5.8 and (2) JScript 5.6 through 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "VBScript and JScript ASLR Bypass." Impact: CVSS base score 4.3 CVSS impact score 2.9 CVSS exploitability score 8.6 confidentialityImpact PARTIAL integrityImpact NONE availabilityImpact NONE 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

CVE Additional Information

CVE-2015-1686
The Microsoft (1) VBScript 5.6 through 5.8 and (2) JScript 5.6 through 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "VBScript and JScript ASLR Bypass."
Details
SeverityMEDIUM Base Score4.3
Impact Score2.9 Exploit Score8.6
Confidentiality ImpactPARTIAL Integrity ImpactNONE
Availability ImpactNONE Access Vector
AuthenticationNONE Ease of Access
CVE-2015-6052
The Microsoft (1) VBScript 5.7 and 5.8 and (2) JScript 5.7 and 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "VBScript and JScript ASLR Bypass."
Details
SeverityMEDIUM Base Score4.3
Impact Score2.9 Exploit Score8.6
Confidentiality ImpactPARTIAL Integrity ImpactNONE
Availability ImpactNONE Access Vector
AuthenticationNONE Ease of Access