CVE-2020-14093

NameCVE-2020-14093
DescriptionMutt before 1.14.3 allows an IMAP fcc/postpone man-in-the-middle attack via a PREAUTH response.
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)
ReferencesDLA-2268-1, DLA-2268-2, DSA-4707-1, DSA-4708-1
NVD severitymedium
Debian Bugs962897

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mutt (PTS)stretch1.7.2-1+deb9u1vulnerable
stretch (security)1.7.2-1+deb9u3fixed
buster1.10.1-2.1vulnerable
buster (security)1.10.1-2.1+deb10u2fixed
bullseye, sid1.14.5-1fixed
neomutt (PTS)buster20180716+dfsg.1-1vulnerable
buster (security)20180716+dfsg.1-1+deb10u1fixed
bullseye, sid20200626+dfsg.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
muttsource(unstable)1.14.3-1962897
muttsourcebuster1.10.1-2.1+deb10u2DSA-4707-1
muttsourcejessie1.5.23-3+deb8u3DLA-2268-2
muttsourcestretch1.7.2-1+deb9u3DSA-4707-1
neomuttsource(unstable)20200619+dfsg.1-1
neomuttsourcebuster20180716+dfsg.1-1+deb10u1DSA-4708-1

Notes

Fixed by: https://gitlab.com/muttmua/mutt/commit/3e88866dc60b5fa6aaba6fd7c1710c12c1c3cd01
Fix for CVE-2020-14093 introduces a regression, cf. #963107
Regression fixed by: https://gitlab.com/muttmua/mutt/-/commit/dc909119b3433a84290f0095c0f43a23b98b3748

Search for package or bug name: Reporting problems