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


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.22% (62nd percentile)

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  • Snyk IDSNYK-PYTHON-TUF-546794
  • published5 Feb 2020
  • disclosed5 Feb 2020
  • creditUnknown

Introduced: 5 Feb 2020

CVE-2020-6174  (opens in a new tab)
CWE-347  (opens in a new tab)

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

CVSS Scores

version 3.1