CVE-2009-3767

Name	CVE-2009-3767
Description	libraries/libldap/tls_o.c in OpenLDAP 2.2 and 2.4, and possibly other versions, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
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-1943-1
Debian Bugs	553432

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openldap (PTS)	jessie, jessie (lts)	2.4.40+dfsg-1+deb8u11	fixed
	stretch (security), stretch (lts), stretch	2.4.44+dfsg-5+deb9u9	fixed
	buster, buster (security)	2.4.47+dfsg-3+deb10u7	fixed
	bullseye (security), bullseye	2.4.57+dfsg-3+deb11u1	fixed
	sid, bookworm	2.5.13+dfsg-5	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openldap	source	lenny	2.4.11-1+lenny1		DSA-1943-1
openldap	source	(unstable)	2.4.17-2.1	low		553432
openldap2.3	source	etch	2.3.30-5+etch3		DSA-1943-1
openldap2.3	source	(unstable)	(unfixed)