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Active Exploitation of Unpatched Windows Font Parsing Vulnerability

Rapid7 analysis and customer guidance for a pair of unpatched font parsing vulnerabilities in multiple versions of Microsoft Windows (ADV200006).…

Rapid7 Analysis and Guidance: CDPwn (CVE-2020-3118)

This blog focuses on CVE-2020-3118, which Rapid7 considers to be the most severe and important of the CDPwn vulnerability group.…

DOUBLEPULSAR over RDP: Baselining Badness on the Internet

How many internet-accessible RDP services have the DOPU implant installed? How much DOPU-over-RDP traffic do we see being sprayed across the internet?…

DOUBLEPULSAR RCE 2: An RDP Story

In this sequel, wvu recounts the R&D (in all its imperfect glory) behind creating a Metasploit module for the DOUBLEPULSAR implant's lesser-known RDP variant. If you're unfamiliar with the more common SMB variant, you can read our blog post detailing how we achieved…

Active Exploitation of Citrix NetScaler (CVE-2019-19781): What You Need to Know

A a directory traversal vulnerability was announced in the Citrix Application Discovery Controller and Citrix Gateway, which would allow a remote, unauthenticated user to write a file to a location on disk.…

Windows CryptoAPI Spoofing Vulnerability (CVE-2020-0601): What You Need to Know

In this blog, we discuss everything you need to know about the CVE-2020-0601: Windows CryptoAPI Spoofing Vulnerability.…

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