Vulnerability Research
Sifting through the spines: identifying (potential) Cactus ransomware victims
Authored by Willem Zeeman and Yun Zheng Hu This blog is part of a series written by various Dutch cyber security firms that have collaborated on the Cactus ransomware group, which exploits Qlik Sense servers for initial access. To view all of them please check the central blog by Dutch…
Puckungfu 2: Another NETGEAR WAN Command Injection
A story on finding a zero day attacking the NETGEAR WAN interface after a last minute patch for Pwn2Own 2022, involving a command injection, predicting random numbers, boot timing and voltage supply variations.
Technical Advisory: Sonos Era 100 Secure Boot Bypass Through Unchecked setenv() call
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…
Shooting Yourself in the .flags – Jailbreaking the Sonos Era 100
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…
Technical Advisory: Adobe ColdFusion WDDX Deserialization Gadgets
Multiple vulnerabilities identified in Adobe ColdFusion allow an unauthenticated attacker to obtain the service account NTLM password hash, verify the existence of a file or directory on the underlying operating system, and configure central config server settings.
Technical Advisory – Multiple Vulnerabilities in Connectize G6 AC2100 Dual Band Gigabit WiFi Router (CVE-2023-24046, CVE-2023-24047, CVE-2023-24048, CVE-2023-24049, CVE-2023-24050, CVE-2023-24051, CVE-2023-24052)
Connectize’s G6 WiFi router was found to have multiple vulnerabilities exposing its owners to potential intrusion in their local Wi-Fi network and browser. The Connectize G6 router is a general consumer Wi-Fi router with an integrated web admin interface for configuration, and is available for purchase by the general public.…
HITB Phuket 2023 – Exploiting the Lexmark PostScript Stack
Aaron Adams presented this talk at HITB Phuket on the 24th August 2023. The talk detailed how NCC Exploit Development Group (EDG) in Pwn2Own 2022 Toronto was able to exploit two different PostScript vulnerabilities in Lexmark printers. The presentation is a good primer for those interested in further researching the…
SysPWN – VR for Pwn2Own
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,…