Inadequate Encryption Strength

Affecting chiavdf package, versions [,1.0)

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Overview

chiavdf is a Chia vdf verification (wraps C++)

Affected versions of this package are vulnerable to Inadequate Encryption Strength. Grinding attacks could be possible where some non-canonical encodings of a compressed form could be used to change its hash and thus the next challenges derived from it.

Remediation

Upgrade chiavdf to version 1.0 or higher.

References

CVSS Score

6.5
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    Low
  • Integrity
    Low
  • Availability
    None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:R
Credit
Unknown
CWE
CWE-326
Snyk ID
SNYK-PYTHON-CHIAVDF-1090203
Disclosed
01 Apr, 2021
Published
01 Apr, 2021