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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs990566

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dovecot (PTS)stretch1:2.2.27-3+deb9u5fixed
stretch (security)1:2.2.27-3+deb9u7fixed
buster1:2.3.4.1-5+deb10u6vulnerable
buster (security)1:2.3.4.1-5+deb10u5vulnerable
bullseye1:2.3.13+dfsg1-1vulnerable
sid1:2.3.13+dfsg1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dovecotsourcestretch(not affected)
dovecotsource(unstable)1:2.3.13+dfsg1-2990566

Notes

[buster] - dovecot <postponed> (Minor issue, fix along with next update)
[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

Search for package or bug name: Reporting problems