CVE-2019-8413

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 v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/datadancer/HIAFuzz/blob/master/MIX2_elliptic.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:mi:mi_mix_2_firmware:4.4.78:*:*:*:*:*:*:*

cpe:2.3:h:mi:mi_mix_2:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-02-17 19:29

Updated : 2022-09-22 14:46

NVD link : CVE-2019-8413

Mitre link : CVE-2019-8413

CVE.ORG link : CVE-2019-8413

JSON object : View

Products Affected

mi

mi_mix_2
mi_mix_2_firmware

CWE

CWE-476

NULL Pointer Dereference

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