In part three of a series, GoSecure ethical hackers have found another way to exploit insecure Windows Server Update Services (WSUS) configurations. By taking advantage of the authentication provided by the Windows update client and relaying it to other domain...
The experts at GoSecure Titan Labs are aware of a new 0-day Remote Code Execution (RCE) vulnerability in Microsoft Windows. Our team of investigators has identified a mitigation and remediation strategy that technology professionals can use to address this emerging...
PrintNightmare is a set of software vulnerabilities around Windows’ Print Spooler service. It was originally disclosed in July as CVE-2021-34527 – a print spooler remote code execution – and CVE-2021-1675 – a print spooler privilege escalation. They allow an attacker...
At GoSecure, we work hard to illustrate the impact of our pentest findings on our clients’ security posture. In the past few years, we found numerous organizations with vulnerable Windows Server Update Services (WSUS) deployments. However, no tool (reliable enough to...
This blog post covers typical problems which arise when fuzzing closed source PDF viewers and possible approaches to these problems. Hereby it focuses on both: Input-Minimization and Non-Terminating programs. The approaches were found and implemented as part of my...
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