CVE-2009-3602

Name	CVE-2009-3602
Description	Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-1963-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
unbound (PTS)	buster	1.9.0-2+deb10u2	fixed
	buster (security)	1.9.0-2+deb10u4	fixed
	bullseye	1.13.1-1+deb11u1	fixed
	bullseye (security)	1.13.1-1+deb11u2	fixed
	bookworm	1.17.1-2+deb12u1	fixed
	bookworm (security)	1.17.1-2+deb12u2	fixed
	trixie	1.19.1-1	fixed
	sid	1.19.2-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
unbound	source	lenny	1.0.2-1+lenny1		DSA-1963-1
unbound	source	(unstable)	1.3.4-1	low

http://unbound.net/pipermail/unbound-users/2009-October/000852.html