CVE-2021-33515

NameCVE-2021-33515
DescriptionThe submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3122-1
Debian Bugs990566

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dovecot (PTS)bullseye1:2.3.13+dfsg1-2+deb11u1fixed
bullseye (security)1:2.3.13+dfsg1-2+deb11u2fixed
bookworm, bookworm (security)1:2.3.19.1+dfsg1-2.1+deb12u1fixed
sid, trixie1:2.3.21.1+dfsg1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dovecotsourcestretch(not affected)
dovecotsourcebuster1:2.3.4.1-5+deb10u7DLA-3122-1
dovecotsource(unstable)1:2.3.13+dfsg1-2990566

Notes

[stretch] - dovecot <not-affected> (Vulnerable code (smtp_server_command queue) introduced later)
https://dovecot.org/pipermail/dovecot-news/2021-June/000462.html
https://www.openwall.com/lists/oss-security/2021/06/28/2

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