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.
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: 0.021 (81.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: +0.000
Affected products
Weakness classification (CWE)
References
- openwall.com/lists/oss-security/2018/06/13/10 (Mailing List, Third Party Advisory)
- www.enigmail.net/index.php/en/download/changelog (Exploit, Vendor Advisory)
- www.openwall.com/lists/oss-security/2019/04/30/4 (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2019/Apr/38 (mailing-list, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html (VDB Entry, Third Party Advisory)
- github.com/RUB-NDS/Johnny-You-Are-Fired
- github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
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.