CVE-2011-0411

Name	CVE-2011-0411
Description	The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack.
Source	CVE (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)
References	DSA-2233-1
Debian Bugs	617849

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
postfix (PTS)	buster	3.4.23-0+deb10u1	fixed
	bullseye	3.5.18-0+deb11u1	fixed
	bookworm, sid	3.7.5-2	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
postfix	source	lenny	2.5.5-1.1+lenny1	DSA-2233-1
postfix	source	squeeze	2.7.1-1+squeeze1	DSA-2233-1
postfix	source	(unstable)	2.8.0-1		617849

Notes

http://www.securityfocus.com/archive/1/516901/30/0/threaded
http://www.postfix.org/announcements/postfix-2.7.3.html
http://www.postfix.org/CVE-2011-0411.html
http://www.kb.cert.org/vuls/id/MAPG-8D9M5Q