CVE-2019-8413 — MEDIUM (5.5)

Vulnerability Description

On Xiaomi MIX 2 devices with the 4.4.78 kernel, a NULL pointer dereference in the ioctl interface of the device file /dev/elliptic1 or /dev/elliptic0 causes a system crash via IOCTL 0x4008c575 (aka decimal 1074316661).

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mi	Mi Mix 2 Firmware	4.4.78
Mi	Mi Mix 2	-

Related Weaknesses (CWE)

CWE-476

References

https://github.com/datadancer/HIAFuzz/blob/master/MIX2_elliptic.mdExploitThird Party Advisory
https://github.com/datadancer/HIAFuzz/blob/master/MIX2_elliptic.mdExploitThird Party Advisory

FAQ

What is CVE-2019-8413?

CVE-2019-8413 is a vulnerability with a CVSS score of 5.5 (MEDIUM). On Xiaomi MIX 2 devices with the 4.4.78 kernel, a NULL pointer dereference in the ioctl interface of the device file /dev/elliptic1 or /dev/elliptic0 causes a system crash via IOCTL 0x4008c575 (aka de...

How severe is CVE-2019-8413?

CVE-2019-8413 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-8413?

Check the references section above for vendor advisories and patch information. Affected products include: Mi Mi Mix 2 Firmware, Mi Mi Mix 2.