CVE-2018-21058

An issue was discovered on Samsung mobile devices with N(7.0), O(8.0) (exynos7420 or Exynos 8890/8996 chipsets) software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension (CE) is not used. The Samsung ID is SVE-2018-12761 (September 2018).

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://security.samsungmobile.com/securityUpdate.smsb	Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:google:android:7.0:::::::*
	cpe:2.3:o:google:android:8.0:::::::*

OR	cpe:2.3:h:samsung:exynos_7420:-:::::::*
	cpe:2.3:h:samsung:exynos_8890:-:::::::*
	cpe:2.3:h:samsung:exynos_8996:-:::::::*

Information

Published : 2020-04-08 11:15

Updated : 2020-04-09 10:21

NVD link : CVE-2018-21058

Mitre link : CVE-2018-21058

JSON object : View

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

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Products Affected

google

android

samsung

exynos_8890
exynos_7420
exynos_8996

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