CVE-2018-21058
CRITICALAndroid N(7.0) O(8.0) - Use of a Broken or Risky Cryptographic Algorithm in Keymaster AES-GCM
Title source: llmDescription
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).
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://security.samsungmobile.com/securityUpdate.smsb
Scores
CVSS v3
9.8
EPSS
0.0027
EPSS Percentile
19.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-327
Status
published
Products (2)
google/android
7.0
google/android
8.0
Published
Apr 08, 2020
Tracked Since
Feb 18, 2026