Alex Plaskett

Vendor: Sonos Vendor URL: https://www.sonos.com/ Versions affected: * Confirmed 73.0-42060 Systems Affected: Sonos Era 100 Author: Ilya Zhuravlev Advisory URL: Not provided by Sonos. Sonos state an update was released on 2023-11-15 which remediated the issue. CVE Identifier: N/A Risk: High Summary Sonos Era 100 is a smart speaker released…

Research performed by Ilya Zhuravlev supporting the Exploit Development Group (EDG). The Era 100 is Sonos’s flagship device, released on March 28th 2023 and is a notable step up from the Sonos One. It was also one of the target devices for Pwn2Own Toronto 2023. NCC found multiple security weaknesses…

Alex Plaskett (@alexjplaskett) presented a talk on the 10th of August 2023 at @SysPWN covering vulnerability research for Pwn2Own. The first section of the talk covered a high-level perspective of the event, personal history, and teams. It then discussed some considerations needing to be made when deciding on target, experiences,…

Cedric Halbronn and Alex Plaskett presented at OffensiveCon on the 19th of May 2023 on Exploit Engineering – Attacking the Linux kernel. Slides The slides for the talk can be downloaded below: libslub libslub can be downloaded from here. Abstract The abstract for the talk was as follows: Over the…

Alex Plaskett and McCaulay Hudson presented this talk at HITB AMS on the 20th April 2023. The talk showcased NCC Exploit Development Group (EDG) in Pwn2Own 2022 Toronto targeting all consumer routers (Netgear, TP-Link and Synology) from both a LAN and WAN perspective.  The talk also described how we compromised…

On Friday 14th of October 2022 Alex Plaskett (@alexjplaskett) and Cedric Halbronn (@saidelike) presented Toner Deaf – Printing your next persistence at Hexacon 2022. This talk demonstrated remote over the network exploitation of a Lexmark printer and persistence across both firmware updates and reboots. The video from this talk is…

Cedric Halbronn, Aaron Adams, Alex Plaskett and Catalin Visinescu presented two talks at NCC Con Europe 2022. NCC Con is NCC Group’s annual private internal conference for employees. We have decided to publish these 2 internal presentations as it is expected that the wider security community could benefit from understanding…

This blog post describes an unchecked return value vulnerability found and exploited in September 2021 by Alex Plaskett, Cedric Halbronn and Aaron Adams working at the Exploit Development Group (EDG) of NCC Group. We successfully exploited it at Pwn2Own 2021 competition in November 2021 when targeting the Western Digital PR4100.

This blog post describes a stack-based overflow vulnerability found and exploited in September 2021 in the Netgear R6700v3

Slides Alex Plaskett presented "Pwning the Windows 10 Kernel with NTFS and WNF" at Power Of Community (POC) on the 11th of November 2021

We look at exploitation without the CVE-2021-31955 information disclosure, enabling better exploit primitives through PreviousMode, reliability, stability and exploit clean-up and well as thoughts on detection

NCC Group's Exploit Development Group look at exploiting CVE-2021-31956 - the Windows Kernel (NTFS with WNF)