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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 64%
VendorProductVersion
enigmailenigmail
𝑥
< 2.0.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
enigmail
bullseye
2:2.2.4-0.3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
enigmail
noble
dne
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
needed
impish
ignored
hirsute
ignored
groovy
ignored
focal
needed
eoan
ignored
disco
ignored
cosmic
ignored
bionic
needed
artful
ignored
xenial
needed
trusty
dne
Common Weakness Enumeration
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
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