Rule Category

OS-WINDOWS -- Snort has detected traffic targeting vulnerabilities in a Windows-based operating system. This does not include browser traffic or other software on the OS, but attacks against the OS itself. (such as?)

Alert Message

OS-WINDOWS Microsoft Windows DNS Server out of bounds read attempt

Rule Explanation

This rule detects an out of bounds read attempt against vulnerable versions of Microsoft Windows DNS Server by looking for malformed DNS packets that supply a text size that is greater than the length of the text update.

What To Look For

This rule detects an out of bounds read attempt against vulnerable versions of Microsoft Windows DNS Server.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Exploit Public-Facing Application

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

Additional Links

Rule Vulnerability

Information Leak

Information Leakage happens when an attacker manipulates a system into revealing sensitive information, either through malformed input or by taking advantage of another feature of the system.

CVE Additional Information