Improper Verification of Cryptographic Signature Affecting freifunk-gluon/ecdsautils package, versions [,0.4.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
1.04% (63rd percentile)

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  • Snyk IDSNYK-UNMANAGED-FREIFUNKGLUONECDSAUTILS-2808943
  • published6 May 2022
  • disclosed6 May 2022
  • creditUnknown

Introduced: 6 May 2022

CVE-2022-24884  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

Upgrade freifunk-gluon/ecdsautils to version 0.4.1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature where ecdsa_verify_[prepare_]legacy() does not check whether the signature values r and s are non-zero.

CVSS Base Scores

version 3.1