CVE-2018-21058
CVSS V2 High 7.5
CVSS V3 Critical 9.8
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).
Overview
- CVE ID
- CVE-2018-21058
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-04-08T18:15:13
- Last Modified Date
- 2020-04-09T17:21:33
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:samsung:exynos_7420:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:samsung:exynos_8890:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:samsung:exynos_8996:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://security.samsungmobile.com/securityUpdate.smsb | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-21058 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-21058 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:44:59 | Added to TrackCVE | |||
| 2022-12-04 14:10:37 | 2020-04-08T18:15Z | 2020-04-08T18:15:13 | CVE Published Date | updated |
| 2022-12-04 14:10:37 | 2020-04-09T17:21:33 | CVE Modified Date | updated | |
| 2022-12-04 14:10:37 | Analyzed | Vulnerability Status | updated |