CVE Vulnerability

CVE-2019-9155

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/openpgpjs/openpgpjs/pull/853 Third Party Advisory
https://github.com/openpgpjs/openpgpjs/releases/tag/v4.3.0 Release Notes
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html#download=1 Third Party Advisory
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/ Exploit Third Party Advisory
https://github.com/openpgpjs/openpgpjs/pull/853/commits/7ba4f8c655e7fd7706e8d7334e44b40fdf56c43e Patch Third Party Advisory
http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.html Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:openpgpjs:openpgpjs:*:*:*:*:*:*:*:*
Information

Published : 2019-08-22 04:15

Updated : 2021-07-21 11:39

NVD link : CVE-2019-9155

Mitre link : CVE-2019-9155

Products Affected
No products.
CWE
CWE-327