Research

from our lab

Alisa
December 25th, 2023
0-Day Insights

Google Chrome WebRTC 0-Day Vulnerability (CVE-2023-7024)

Quick analysis and research insights for the recently reported RCE vulnerability in Chromium WebRTC code and embedders.


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Alisa
December 13th, 2023
0-Day Insights

Deep Dive: Qualcomm MSM & ARM Mali Kernel 0-day Exploit Attacks of October 2023

This deep technical note briefly covers five kernel vulnerabilities in Qualcomm chipsets & ARM Mali GPU, which landed on CISA Known Exploited Vulnerabilities Catalog between October and December 2023.


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Alisa
November 30th, 2023
0-Day Insights

Google Chrome Skia Vulnerability Insights (CVE-2023-6345)

We analyzed the security patches of a recently disclosed Chrome 0-day attack to derive additional information about the vulnerability, and clarify practical threat impact.


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Alisa
December 29, 2021
Exploit Development

JavaScript Engines Exploitation: a Jscript9 Case Study

A brief writeup for the exploit that I wrote for a JavaScript JIT Type Confusion vulnerability in Jscript9.dll (2017). In the exploit I show one classical technique of JavaScript engines exploitation with a fully dynamic ASLR bypass, plus state-of-the-art process continuation to avoid crash. Full exploit code is included.


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Alisa
November 11, 2021
Vulnerability Research, Exploit Development

Advanced Exploitation of Simple Bugs: a Parallels Desktop Case Study (Pwn2Own 2021)

At Pwn2Own Vancouver 2021 I have demonstrated an 0day VM escape exploit for Parallels Desktop hypervisor. The exploit chain that I developed was based on logic issues. In this deep technical presentation I share the technical details of the exploit, as well as various preliminary and contextual knowledge related to it. (Slides)


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Alisa
May 13, 2021
Vulnerability Research

From Binary Patch to Proof-of-concept: a VMware ESXi vmxnet3 Case Study

How to recover a complex vulnerability details from a binary security patch and create a proof of concept. A case study of VMware ESXi vmxnet3 Uninitialized Variable (CVE-2018-6981).


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Alisa
April 23, 2021
Vulnerability Research

Don't Share Your $HOME with Untrusted Guests

A story of a trivial *no-bug, by-design* guest-to-host VM escape on latest Parallels Desktop for Mac with bonus persistence, as enabled by the software vendor's product design decisions and certain properties of the Unix interactive shells.


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Alisa
February 15, 2021
Vulnerability Research

Microsoft Hyper-V Virtual Network Switch Out of Bounds Read

Deep technical analysis of a security bug in Microsoft Hyper-V root partition kernel component, discovered by me.


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Alisa
May 14, 2020
Reverse Engineering

Hyper-V System Internals & Linux Integrations Services Drivers

This research note documents some core internals of Microsoft Hyper-V through the implementation perspective of the official Hyper-V paravirtualization drivers package for Linux virtual machines: the LIS.


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