// For flags

CVE-2018-21058

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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).

Se detectó un problema en dispositivos móviles Samsung con versiones de software N(7.0), O(8.0) (exynos7420 o Exynos 8890/8996). Ataques de la memoria Caché pueden ocurrir contra la implementación Keymaster AES-GCM porque son usadas T-Tables; la Cryptography Extension (CE) no es usada. El ID de Samsung es SVE-2018-12761 (Septiembre de 2018).

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-04-07 CVE Reserved
  • 2020-04-08 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-327: Use of a Broken or Risky Cryptographic Algorithm
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
7.0
Search vendor "Google" for product "Android" and version "7.0"
-
Affected
in Samsung
Search vendor "Samsung"
Exynos 7420
Search vendor "Samsung" for product "Exynos 7420"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
7.0
Search vendor "Google" for product "Android" and version "7.0"
-
Affected
in Samsung
Search vendor "Samsung"
Exynos 8890
Search vendor "Samsung" for product "Exynos 8890"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
7.0
Search vendor "Google" for product "Android" and version "7.0"
-
Affected
in Samsung
Search vendor "Samsung"
Exynos 8996
Search vendor "Samsung" for product "Exynos 8996"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
8.0
Search vendor "Google" for product "Android" and version "8.0"
-
Affected
in Samsung
Search vendor "Samsung"
Exynos 7420
Search vendor "Samsung" for product "Exynos 7420"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
8.0
Search vendor "Google" for product "Android" and version "8.0"
-
Affected
in Samsung
Search vendor "Samsung"
Exynos 8890
Search vendor "Samsung" for product "Exynos 8890"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
8.0
Search vendor "Google" for product "Android" and version "8.0"
-
Affected
in Samsung
Search vendor "Samsung"
Exynos 8996
Search vendor "Samsung" for product "Exynos 8996"
--
Safe