Vulnerability in Openpgpjs
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.020 (80.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/ (Exploit, Third Party Advisory)
- www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Ext… (Third Party Advisory)
- github.com/openpgpjs/openpgpjs/releases/tag/v4.2.0 (Release Notes)
- github.com/openpgpjs/openpgpjs/pull/816 (Third Party Advisory)
- github.com/openpgpjs/openpgpjs/pull/797/commits/327d3e5392a6f59a4270569d200c7f7… (Patch, Third Party Advisory)
- packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-9153?
- CVE-2019-9153 is a high-severity vulnerability in Openpgpjs, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2019-08-22.
- How severe is CVE-2019-9153?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-9153 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.