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CVE-2019-9155 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.html	CVE	Third Party AdvisoryVDB Entry
https://github.com/openpgpjs/openpgpjs/pull/853	CVE	Third Party Advisory
https://github.com/openpgpjs/openpgpjs/pull/853/commits/7ba4f8c655e7fd7706e8d7334e44b40fdf56c43e	CVE	PatchThird Party Advisory
https://github.com/openpgpjs/openpgpjs/releases/tag/v4.3.0	CVE	Release Notes
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/	CVE	ExploitThird Party Advisory
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html#download=1	CVE	Third Party Advisory
http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.html	[email protected]	Third Party AdvisoryVDB Entry
https://github.com/openpgpjs/openpgpjs/pull/853	[email protected]	Third Party Advisory
https://github.com/openpgpjs/openpgpjs/pull/853/commits/7ba4f8c655e7fd7706e8d7334e44b40fdf56c43e	[email protected]	PatchThird Party Advisory
https://github.com/openpgpjs/openpgpjs/releases/tag/v4.3.0	[email protected]	Release Notes
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/	[email protected]	ExploitThird Party Advisory
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html#download=1	[email protected]	Third Party Advisory

see all 12 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-327	Use of a Broken or Risky Cryptographic Algorithm	[email protected]

Affected Products

Product	Versions
openpgpjs openpgpjs	<= 4.2.0
CPE cpe:2.3:a:openpgpjs:openpgpjs:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 21, 2021	CWE Remap	[email protected]
Aug 30, 2019	Initial Analysis	[email protected]
Aug 22, 2019	CVE Modified	[email protected]