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Use of a Broken or Risky Cryptographic Algorithm

CVE-2018-21058

High
9.8/10

Summary

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).

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

The use of a broken or risky cryptographic algorithm is an unnecessary risk that may result in the exposure of sensitive information.

References

Advisory Timeline

  • Published