CVE-2021-43399

Published at:
2021-12-08T19:15:10.020

Global infos:

The Yubico YubiHSM YubiHSM2 library 2021.08, included in the yubihsm-shell project, does not properly validate the length of some operations including SSH signing requests, and some data operations received from a YubiHSM 2 device.

CVE Status: Modified

References:

  • [email protected]
  • [email protected]
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • Metrics:

    AttributeValue
    Attack ComplexityLOW
    Attack VectorNETWORK
    Availability ImpactHIGH
    Base Score7.5
    Base SeverityHIGH
    Confidentiality ImpactNONE
    Integrity ImpactNONE
    Privileges RequiredNONE
    ScopeUNCHANGED
    User InteractionNONE
    Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Exploitability Score3.9
    Impact Score3.6
    Source[email protected]
    TypePrimary

    Links:

    Exploit-db
    Github