CVE-2020-12401

Published at:
2020-10-08T14:15:11.250

Global infos:

During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

CVE Status: Modified

References:

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

    AttributeValue
    Attack ComplexityHIGH
    Attack VectorLOCAL
    Availability ImpactNONE
    Base Score4.7
    Base SeverityMEDIUM
    Confidentiality ImpactHIGH
    Integrity ImpactNONE
    Privileges RequiredLOW
    ScopeUNCHANGED
    User InteractionNONE
    Vector StringCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
    Exploitability Score1
    Impact Score3.6
    Source[email protected]
    TypePrimary

    Links:

    Exploit-db
    Github