CVE-2018-12019
First published: Wed Jun 13 2018(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Enigmail Enigmail | <2.0.7 |
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Reference Links
- http://openwall.com/lists/oss-security/2018/06/13/10
- http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
- http://seclists.org/fulldisclosure/2019/Apr/38
- http://www.openwall.com/lists/oss-security/2019/04/30/4
- https://github.com/RUB-NDS/Johnny-You-Are-Fired
- https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
- https://www.enigmail.net/index.php/en/download/changelog
Frequently Asked Questions
What is CVE-2018-12019?
CVE-2018-12019 is a vulnerability in Enigmail before 2.0.7 that allows remote attackers to spoof arbitrary email signatures.
What is the severity of CVE-2018-12019?
The severity of CVE-2018-12019 is high with a severity value of 7.5.
How does CVE-2018-12019 affect Enigmail?
CVE-2018-12019 affects Enigmail versions up to and including 2.0.7.
How can remote attackers exploit CVE-2018-12019?
Remote attackers can exploit CVE-2018-12019 by using crafted primary user ids in public keys to spoof arbitrary email signatures.
Are there any references related to CVE-2018-12019?
Yes, here are some references related to CVE-2018-12019: [http://openwall.com/lists/oss-security/2018/06/13/10](http://openwall.com/lists/oss-security/2018/06/13/10), [http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html](http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html), [http://seclists.org/fulldisclosure/2019/Apr/38](http://seclists.org/fulldisclosure/2019/Apr/38).
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