CVE-2020-11005

Internal NCryptDecrypt method could be used externally from WindowsHello library.

State
Published
Severity
5.1 Medium
Published
Apr 14, 2020
Updated
Aug 4, 2024
Reserved
Mar 30, 2020

Read the record on cve.org

Description

The WindowsHello open source library (NuGet HaemmerElectronics.SeppPenner.WindowsHello), before version 1.0.4, has a vulnerability where encrypted data could potentially be decrypted without needing authentication. If the library is used to encrypt text and write the output to a txt file, another executable could be able to decrypt the text using the static method NCryptDecrypt from this same library without the need to use Windows Hello Authentication again. This has been patched in version 1.0.4.

Scores

CVSSScoreVectorSource
3.15.1 MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NGitHub_M

Weaknesses

  • CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

ProductVersions
WindowsHelloSeppPenner
  • < 1.0.4Affected

References

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