Have to get root on a Home windows field? Plug in a Razer gaming mouse

Need to get root on a Windows box? Plug in a Razer gaming mouse


This weekend, safety researcher jonhat disclosed a long-standing safety bug within the Synapse software program related to Razer gaming mice. Throughout software program set up, the wizard produces a clickable hyperlink to the situation the place the software program will probably be put in. Clicking that hyperlink opens a File Explorer window to the proposed location—however that File Explorer spawns with SYSTEM course of ID, not with the consumer’s.

Have mouse, will root

By itself, this vulnerability in Razer Synapse appears like a minor situation—in any case, so as to launch a software program installer with SYSTEM privileges, a consumer would usually have to have Administrator privileges themselves. Sadly, Synapse is part of the Windows Catalog—which signifies that an unprivileged consumer can simply plug in a Razer mouse, and Home windows Replace will cheerfully obtain and run the exploitable installer mechanically.

Jonhat is not the one—and even the primary—researcher to find and publicly disclose this bug. Lee Christensen publicly disclosed the identical bug in July, and based on safety researcher _MG_, who demonstrated it utilizing an OMG cable to imitate the PCI Device ID of a Razer mouse and exploit the identical vulnerability, researchers have been reporting it fruitlessly for greater than a 12 months.

Vulnerability fixes coming quickly to a Home windows Catalog close to you

Fortunately, Razer appears to have lastly gotten the memo—jonhat reported that the corporate reached out to him shortly after his August 21 public disclosure to guarantee him that its safety crew is “engaged on a repair ASAP,” and the corporate even supplied him a bounty regardless of the general public disclosure.

As soon as Razer itself has patched the vulnerability, the subsequent step will probably be pushing it to Microsoft for inclusion in Home windows Catalog—the place it might want to exchange the present and weak Razer HIDClass driver that Home windows Replace mechanically downloads and runs at any time when a Razer mouse is plugged into the system. (The weak model within the Home windows Catalog as of publishing time is 6.2.9200.16495, dated January 2017.)

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