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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2019-08-22 09:15

Updated : 2019-08-30 05:52

NVD link : CVE-2019-9153

Mitre link : CVE-2019-9153

JSON object : View

CWE

CWE-347

Improper Verification of Cryptographic Signature

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Products Affected

openpgpjs

openpgpjs

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