Vulnerability in Enigmail

CVE-2018-12019

The signature verification routine in Enigmail before 2.0.7 interprets user ids as status/control messages and does not correctly keep track of the status of multiple signatures, which allows remote attackers to spoof arbitrary email signatures via public keys containing crafted primary user ids.

EPSS: 0.021 (80.2th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-12019?
CVE-2018-12019 is a high-severity vulnerability in Enigmail, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2018-06-13.
How severe is CVE-2018-12019?
High severity. CVSS v3 base score is 7.5 out of 10.