CVE-2021-47789 — HIGH (7.5)

Vulnerability Description

Yenkee Hornet Gaming Mouse driver GM312Fltr.sys contains a buffer overrun vulnerability that allows attackers to crash the system by sending oversized input. Attackers can exploit the driver by sending a 2000-byte buffer through DeviceIoControl to trigger a kernel-level system crash.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Yenkee	Yms 3029 Firmware	All versions
Yenkee	Yms 3029	-

Related Weaknesses (CWE)

CWE-121 CWE-787

References

https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312FltrExploit
https://www.exploit-db.com/exploits/50311Exploit
https://www.vulncheck.com/advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denialThird Party Advisory
https://www.yenkee.eu/Product
https://www.exploit-db.com/exploits/50311Exploit

FAQ

What is CVE-2021-47789?

CVE-2021-47789 is a vulnerability with a CVSS score of 7.5 (HIGH). Yenkee Hornet Gaming Mouse driver GM312Fltr.sys contains a buffer overrun vulnerability that allows attackers to crash the system by sending oversized input. Attackers can exploit the driver by sendin...

How severe is CVE-2021-47789?

CVE-2021-47789 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-47789?

Check the references section above for vendor advisories and patch information. Affected products include: Yenkee Yms 3029 Firmware, Yenkee Yms 3029.