CVE-2019-9148
MEDIUMMailvelope < 3.3.0 - Improper Certificate Validation
Title source: llmDescription
Mailvelope prior to 3.3.0 accepts or operates with invalid PGP public keys: Mailvelope allows importing keys that contain users without a valid self-certification. Keys that are obviously invalid are not rejected during import. An attacker that is able to get a victim to import a manipulated key could claim to have signed a message that originates from another person.
References (3)
Core 3
Core References
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/mailvelope/mailvelope/blob/master/Changelog.md#v330
Third Party Advisory x_refsource_misc
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html
Exploit, Third Party Advisory x_refsource_misc
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.pdf?__blob=publicationFile&v=3
Scores
CVSS v3
4.3
EPSS
0.0139
EPSS Percentile
68.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Details
CWE
CWE-295
Status
published
Products (1)
mailvelope/mailvelope
< 3.3.0
Published
Jul 09, 2019
Tracked Since
Feb 18, 2026