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[email protected]CVE-2017-18020

HistoryJan 04, 2018 - 6:29 a.m.

CVE-2017-18020

2018-01-0406:29:00

CWE-20

[email protected]

web.nvd.nist.gov

samsung

mobile devices

exynos chipsets

bootloader

code execution

cve-2017-18020

security vulnerability

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.4 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.5%

JSON

On Samsung mobile devices with L(5.x), M(6.x), and N(7.x) software and Exynos chipsets, attackers can execute arbitrary code in the bootloader because S Boot omits a size check during a copy of ramfs data to memory. The Samsung ID is SVE-2017-10598.

Affected configurations

NVD

Node

samsungsamsung_mobileMatch5.0

samsungsamsung_mobileMatch5.1

samsungsamsung_mobileMatch5.1.1

samsungsamsung_mobileMatch6.0

samsungsamsung_mobileMatch6.0.1

samsungsamsung_mobileMatch7.0

samsungsamsung_mobileMatch7.1

samsungsamsung_mobileMatch7.1.1

samsungsamsung_mobileMatch7.1.2

CPENameOperatorVersion
samsung:samsung_mobilesamsung samsung mobileeq5.0
samsung:samsung_mobilesamsung samsung mobileeq5.1
samsung:samsung_mobilesamsung samsung mobileeq5.1.1
samsung:samsung_mobilesamsung samsung mobileeq6.0
samsung:samsung_mobilesamsung samsung mobileeq6.0.1
samsung:samsung_mobilesamsung samsung mobileeq7.0
samsung:samsung_mobilesamsung samsung mobileeq7.1
samsung:samsung_mobilesamsung samsung mobileeq7.1.1
samsung:samsung_mobilesamsung samsung mobileeq7.1.2

CPE	Name	Operator	Version
samsung:samsung_mobile	samsung samsung mobile	eq	5.0
samsung:samsung_mobile	samsung samsung mobile	eq	5.1
samsung:samsung_mobile	samsung samsung mobile	eq	5.1.1
samsung:samsung_mobile	samsung samsung mobile	eq	6.0
samsung:samsung_mobile	samsung samsung mobile	eq	6.0.1
samsung:samsung_mobile	samsung samsung mobile	eq	7.0
samsung:samsung_mobile	samsung samsung mobile	eq	7.1
samsung:samsung_mobile	samsung samsung mobile	eq	7.1.1
samsung:samsung_mobile	samsung samsung mobile	eq	7.1.2

References

security.samsungmobile.com/securityUpdate.smsb

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.4 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.5%

JSON

Related for CVE-2017-18020

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