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, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1963-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
unbound (PTS)wheezy, wheezy (security)1.4.17-3+deb7u2fixed
jessie1.4.22-3+deb8u2fixed
stretch1.6.0-3+deb9u1fixed
buster1.6.6-1fixed
sid1.6.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
unboundsource(unstable)1.3.4-1low
unboundsourcelenny1.0.2-1+lenny1highDSA-1963-1

Notes

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

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