DeepSec Talk 2022: We Are Sorry That Your Mouse Is Admin – Windows Privilege Escalation Through The Razer Co-installer – Oliver Schwarz

Sanna/ September 26, 2022/ Conference

Device-specific co-installers have repeatedly allowed for Windows privilege escalation. Through Windows’ plug’n’play concept, attackers don’t need to rely on any pre-installed software on the victim client. All they need is a peripheral device associated with the vulnerable driver – or simpler, a hacking device that simply impersonates such device. In this talk, I’ll will report on his responsible-disclosure journey for a DLL hijacking in the Razer Synapse service for gaming devices. The journey starts with me trying to fake a vulnerability and suddenly realizing that the vulnerability is actually real. It continues with a support team that apologized to me for my escalated privileges. You will also learn about a number of fixing attempts and insights about Windows’ access control that helped to circumvent these attempts. The final twist: we recently discovered that the

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