CVE-2018-21058
Last modified
CVE-2018-21058 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Android | 7.0 | |
| Android | 8.0 |
References
- https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
- https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Related CVEs from 2018
- CVE-2018-21052An issue was discovered on Samsung mobile devices with N(7.x…9.8
- CVE-2018-21053An issue was discovered on Samsung mobile devices with N(7.x…4.6
- CVE-2018-21054An issue was discovered on Samsung mobile devices with M(6.0…9.8
- CVE-2018-21055An issue was discovered on Samsung mobile devices with N(7.0…9.8
- CVE-2018-21056An issue was discovered on Samsung mobile devices with O(8.x…4.6
- CVE-2018-21057An issue was discovered on Samsung mobile devices with N(7.x…9.8
- CVE-2018-21059An issue was discovered on Samsung mobile devices with N(7.x…7.5
- CVE-2018-2106Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2018-21060An issue was discovered on Samsung mobile devices with N(7.x…7.5
- CVE-2018-21061An issue was discovered on Samsung mobile devices with N(7.1…6.8
- CVE-2018-21062An issue was discovered on Samsung mobile devices with N(7.x…4.6
- CVE-2018-21063An issue was discovered on Samsung mobile devices with M(6.0…9.8
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