CVE-2018-12019

NameCVE-2018-12019
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
enigmail (PTS)jessie (security), jessie2:1.9.9-1~deb8u1vulnerable
stretch2:2.0.8-5~deb9u1fixed
stretch (security)2:1.9.9-1~deb9u1vulnerable
buster2:2.0.12+ds1-1~deb10u1fixed
buster (security)2:2.1.3+ds1-4~deb10u2fixed
bullseye2:2.0.12+ds1-1fixed
sid2:2.1.3+ds1-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
enigmailsource(unstable)2:2.0.7-1
enigmailsourcejessie(unfixed)end-of-life

Notes

[jessie] - enigmail <end-of-life> (see https://lists.debian.org/debian-lts-announce/2019/02/msg00002.html)
http://www.openwall.com/lists/oss-security/2018/06/13/10
https://neopg.io/blog/enigmail-signature-spoof/

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