CVE-2019-9148

Public Exploit

Description

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.27%
Third-Party Advisory github.com Third-Party Advisory bund.de Third-Party Advisory bund.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/mailvelope/mailvelope/blob/master/Changelog.md#v330 third party advisory release notes
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html third party advisory
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.pdf?__blob=publicationFile&v=3 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-9148?
CVE-2019-9148 has been scored as a medium severity vulnerability.
How to fix CVE-2019-9148?
To fix CVE-2019-9148, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-9148 being actively exploited in the wild?
It is possible that CVE-2019-9148 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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