Improper Verification of Cryptographic Signature Affecting tuf package, versions [,0.12.2)


0.0
low

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 0.22% (60th percentile)
Expand this section
NVD
9.8 critical

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  • Snyk ID SNYK-PYTHON-TUF-546794
  • published 5 Feb 2020
  • disclosed 5 Feb 2020
  • credit Unknown

How to fix?

Upgrade tuf to version 0.12.2 or higher.

Overview

tuf is a secure updater framework for Python.

Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature. The metadadata signature verification as provided by tuf.sig.verify() and used components such as tuf.client.updater counted multiple signatures with identical authorized keyids each separately towards the threshold.

References