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.

Score

CVSS 3.0 7.5 High

Status

Modified - cve@mitre.org

Published

2018-06-13

Last modified

2024-08-05

Weaknesses

CWE-347

Affected products

• Enigmail (Enigmail)

References

• 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