Rule Category

PROTOCOL-DNS -- Snort alerted on a Domain Name Server (DNS) protocol issue. These packets travel over UDP on port 53 to serve DNS queries--user website requests through a browser. Several vulnerability use-cases exist (ie, additional data could be sent with a request, which would contact a DNS server pre-prepared to send information back and forth).

Alert Message

PROTOCOL-DNS ISC BIND unexpected DNAME CNAME ordering denial of service attempt

Rule Explanation

This event is generated when an attempt is made to exploit a known vulnerability in 2017-3137. Impact: Details: Ease of Attack:

What To Look For

No information provided

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos 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 http://nvd.nist.gov/

Rule Groups

No rule groups

CVE

None

Additional Links

Rule Vulnerability

No information provided

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.

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