Tag - local privilege escalation

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PrivEsc on a production-mode POS

Earlier this year, we were involved in the security assessment of a mobile application that included the use and verification of a POS, a Pax D200. An Internet search aimed at identifying any known vulnerabilities about it, led us to this post called pax-pwn and written by lsd.cat where three CVEs were reported and...
30/03/2023By Read more...

Merry Hackmas: multiple vulnerabilities in MSI’s products

This blog post serves as an advisory for a couple MSI’s products that are affected by multiple high-severity vulnerabilities in the driver components they are shipped with. All the vulnerabilities are triggered by sending specific IOCTL requests and will allow to: Directly interact with physical memory via the MmMapIoSpace function call, mapping physical memory into a...
16/12/2021By Read more...

Chaining Bugs: NVIDIA GeForce Experience (GFE) Command Execution

NVIDIA GeForce Experience (GFE) v.<= 3.21 is affected by an Arbitrary File Write vulnerability in the GameStream/ShadowPlay plugins, where log files are created using NT AUTHORITY\SYSTEM level permissions, which lead to Command Execution and Elevation of Privileges (EoP). NVIDIA Security Bulletin – April 2021 NVIDIA Acknowledgements Page

Introduction

Some time ago I was looking for...
13/05/2021By Read more...