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CVE-2018-21058 Details
Description
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).
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://security.samsungmobile.com/securityUpdate.smsb | CVE | Vendor Advisory |
| https://security.samsungmobile.com/securityUpdate.smsb | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-327 | Use of a Broken or Risky Cryptographic Algorithm | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| google android | 7.0 8.0 |
CPE
Remediation
| |
| samsung exynos 7420 | All versions |
CPE
Remediation
| |
| samsung exynos 8890 | All versions |
CPE
Remediation
| |
| samsung exynos 8996 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Apr 9, 2020 | Initial Analysis | [email protected] |