CVE-2019-9149

Public Exploit

Description

Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client-API. By modifying an URL parameter in Mailvelope, an attacker is able to sign (and encrypt) arbitrary messages with Mailvelope, assuming the private key password is cached. A second vulnerability allows an attacker to decrypt an arbitrary message when the GnuPG backend is used in Mailvelope.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
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-2019-9149?
CVE-2019-9149 has been scored as a medium severity vulnerability.
How to fix CVE-2019-9149?
To fix CVE-2019-9149, 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-2019-9149 being actively exploited in the wild?
It is possible that CVE-2019-9149 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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