SID 1:53436

Report a false positive

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.

Alert Message

OS-WINDOWS Windows RDP Gateway Server denial of service attempt

Rule Explanation

By sending multiple fragmented packets to the Windows Remote Desktop Gateway (RD Gateway) an unauthenticated attacker is able to trigger an out-of-bounds read condition that could be used to obtain remote code execution.

What To Look For

This rule alerts when an attempt is made to cause an out-of-bounds read condition against a Windows Remote Desktop Gateway (RD Gateway) that could lead to remote code execution.

Known Usage

Public information/Proof of Concept available

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2020-0609

Additional Links

portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0609

Rule Vulnerability

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2020-0609
 Loading description

MITRE ATT&CK Framework

Tactic: Execution

Technique: Service Execution

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