CVE-2019-3814

NameCVE-2019-3814
DescriptionIt was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1667-1, DSA-4385-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dovecot (PTS)buster1:2.3.4.1-5+deb10u6fixed
buster (security)1:2.3.4.1-5+deb10u5fixed
bullseye1:2.3.13+dfsg1-2fixed
bookworm, sid1:2.3.19.1+dfsg1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dovecotsourcejessie1:2.2.13-12~deb8u5DLA-1667-1
dovecotsourcestretch1:2.2.27-3+deb9u3DSA-4385-1
dovecotsource(unstable)1:2.3.4.1-1

Notes

https://www.openwall.com/lists/oss-security/2019/02/05/1

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