Approach to mainframe penetration testing on z/OS. Deep dive into RACF

In our previous article we dissected penetration testing techniques for IBM z/OS mainframes protected by the Resource Access Control Facility RACF security package. In this second part of our research, we delve deeper into RACF by examining its decision-making logic, database structure, and the...

CVE-2019-9377: Missing Authorization

In FingerprintService, there is a possible bypass for operating system protections that isolate user profiles from each other due to a missing permission check. This could lead to a local information disclosure of metadata about the biometrics of another user on the device with no additional...

CVE-2019-9351: Missing Authorization

In SyncStatusObserver, there is a possible bypass for operating system protections that isolate user profiles from each other due to a missing permission check. This could lead to local limited information disclosure with no additional execution privileges needed. User interaction is not needed f...

Lightweight and Practical Kernel Protector for x86: Shadow-Box

Shadow-box is a security monitoring framework for operating systems using state-of-the-art virtualization technologies. Shadow-box has a novel architecture inspired by a shadow play. We made Shadow-box from scratch, and it is primarily composed of a lightweight hypervisor and a security monitor...

CVE-2017-0547: Exposure of Sensitive Information to an Unauthorized Actor

An information disclosure vulnerability in libmedia in Mediaserver could enable a local malicious application to access data outside of its permission levels. This issue is rated as High because it is a general bypass for operating system protections that isolate application data from other...

CVE-2016-6774: Exposure of Sensitive Information to an Unauthorized Actor

An information disclosure vulnerability in Package Manager could enable a local malicious application to bypass operating system protections that isolate application data from other applications. This issue is rated as Moderate because it first requires compromising a privileged process. Product:...

FileGuard_308_Holes.txt

/ / / /\ / / / / / / / / / / / / / / / / / / / / / / / / / /////// / \\/ / . ../Macintosh Security/.. . / // Presents: Security Holes In FileGuard 3.0.8 Table Of Contents: - Introduction - Gaining Full Access - Launching The Cracked FileGuard Application - Password Protected Volumes - Disclaimer...