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Vigil@nce - Node.js elliptic: information disclosure via ECDSA Signature Malleability

August 2020 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2

SYNTHESIS OF THE VULNERABILITY

Impacted products: Nodejs Modules not comprehensive.

Severity: 1/4.

Consequences: data reading.

Provenance: document.

Confidence: confirmed by the editor (5/5).

Creation date: 30/07/2020.

DESCRIPTION OF THE VULNERABILITY

An attacker can bypass access restrictions to data via ECDSA
Signature Malleability of Node.js elliptic, in order to obtain
sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Node-js-elliptic-information-disclosure-via-ECDSA-Signature-Malleability-32975


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