CVE-2009-3602

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.

🔗 References (18)

• secalert@redhathttp://osvdb.org/58836
• secalert@redhathttp://secunia.com/advisories/36996
• secalert@redhathttp://secunia.com/advisories/37913
• secalert@redhathttp://unbound.net/pipermail/unbound-users/2009-October/000852.html
• secalert@redhathttp://www.debian.org/security/2009/dsa-1963
• secalert@redhathttp://www.openwall.com/lists/oss-security/2009/10/09/2
• secalert@redhathttp://www.openwall.com/lists/oss-security/2009/10/09/3
• secalert@redhathttp://www.vupen.com/english/advisories/2009/2875
• secalert@redhathttps://exchange.xforce.ibmcloud.com/vulnerabilities/53729
• af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/58836
• af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/36996
• af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/37913
• af854a3a-2127-422b-91ae-364da2661108http://unbound.net/pipermail/unbound-users/2009-October/000852.html
• af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2009/dsa-1963
• af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2009/10/09/2