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.

References

http://osvdb.org/58836

http://secunia.com/advisories/36996

http://secunia.com/advisories/37913

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

http://www.debian.org/security/2009/dsa-1963

http://www.openwall.com/lists/oss-security/2009/10/09/2

http://www.openwall.com/lists/oss-security/2009/10/09/3

http://www.vupen.com/english/advisories/2009/2875

https://exchange.xforce.ibmcloud.com/vulnerabilities/53729

Details

Risk Information

CVSS v2