CVE Vulnerability

CVE-2019-9153

Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to forge signed messages by replacing its signatures with a "standalone" or "timestamp" signature.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/openpgpjs/openpgpjs/pull/797/commits/327d3e5392a6f59a4270569d200c7f7a2bfc4cbc Patch Third Party Advisory
https://github.com/openpgpjs/openpgpjs/pull/816 Third Party Advisory
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/releases/tag/v4.2.0 Release Notes
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 : 2019-08-30 12:52

NVD link : CVE-2019-9153

Mitre link : CVE-2019-9153

Products Affected
No products.
CWE
CWE-347

Improper Verification of Cryptographic Signature