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MitreCVE-2019-8413

HistoryFeb 17, 2019 - 7:29 p.m.

CVE-2019-8413

2019-02-1719:29:00

CWE-476

mitre

web.nvd.nist.gov

xiaomi

mix 2

4.4.78 kernel

null pointer dereference

ioctl

dev elliptic1

dev elliptic0

system crash

nvd

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.5

Confidence

High

EPSS

Percentile

12.8%

JSON

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).

Affected configurations

Nvd

Node

mimi_mix_2_firmwareMatch4.4.78

AND

mimi_mix_2Match-

VendorProductVersionCPE
mimi_mix_2_firmware4.4.78cpe:2.3:o:mi:mi_mix_2_firmware:4.4.78:*:*:*:*:*:*:*
mimi_mix_2-cpe:2.3:h:mi:mi_mix_2:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mi	mi_mix_2_firmware	4.4.78	cpe:2.3:o:mi:mi_mix_2_firmware:4.4.78:::::::*
mi	mi_mix_2	-	cpe:2.3:h:mi:mi_mix_2:-:::::::*

References

github.com/datadancer/HIAFuzz/blob/master/MIX2_elliptic.md

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.5

Confidence

High

EPSS

Percentile

12.8%

JSON

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