CVE-2019-9155

Published: 22/08/2019 Updated: 21/07/2021

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

A cryptographic issue in OpenPGP.js <=4.2.0 allows an attacker who is able provide forged messages and gain feedback about whether decryption of these messages succeeded to conduct an invalid curve attack in order to gain the victim's ECDH private key.

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SEC Consult Vulnerability Lab Security Advisory < 20190822-0 > ======================================================================= title: Multiple Vulnerabilities product: OpenPGPjs vulnerable version: <=420 fixed version: 430 CVE number: CVE-2019-9153, CVE-2019-9154, CVE-2019-9155 ...

CWE-327 https://github.com/openpgpjs/openpgpjs/pull/853 https://github.com/openpgpjs/openpgpjs/releases/tag/v4.3.0 https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html#download=1 https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/https://github.com/openpgpjs/openpgpjs/pull/853/commits/7ba4f8c655e7fd7706e8d7334e44b40fdf56c43e http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.html https://nvd.nist.gov http://seclists.org/fulldisclosure/2019/Aug/18

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CVE-2019-9155

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