CVE-2009-3602

NameCVE-2009-3602
DescriptionUnbound 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.
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)
ReferencesDSA-1963-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
unbound (PTS)stretch1.6.0-3+deb9u2fixed
buster, buster (security)1.9.0-2+deb10u2fixed
bullseye, sid1.11.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
unboundsourcelenny1.0.2-1+lenny1DSA-1963-1
unboundsource(unstable)1.3.4-1low

Notes

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

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