Vulnerability Details : 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.
Products affected by CVE-2019-9153
- cpe:2.3:a:openpgpjs:openpgpjs:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9153
2.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9153
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-9153
-
The product does not verify, or incorrectly verifies, the cryptographic signature for data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9153
-
https://github.com/openpgpjs/openpgpjs/pull/816
Security fixes by twiss · Pull Request #816 · openpgpjs/openpgpjs · GitHubThird Party Advisory
-
https://github.com/openpgpjs/openpgpjs/releases/tag/v4.2.0
Release v4.2.0 - Security Release · openpgpjs/openpgpjs · GitHubRelease Notes
-
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html#download=1
BSI - Publications - Mailvelope Extensions Security AuditThird Party Advisory
-
http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.html
OpenPGP.js 4.2.0 Signature Bypass / Invalid Curve Attack ≈ Packet StormThird Party Advisory;VDB Entry
-
https://github.com/openpgpjs/openpgpjs/pull/797/commits/327d3e5392a6f59a4270569d200c7f7a2bfc4cbc
Security fixes by twiss · Pull Request #797 · openpgpjs/openpgpjs · GitHubPatch;Third Party Advisory
-
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/
Multiple Vulnerabilities in OpenPGP.js – SEC ConsultExploit;Third Party Advisory
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