CVE-2011-4869 Information

Description

validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records a different vulnerability than CVE-2011-4528.

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html http://osvdb.org/77910 http://secunia.com/advisories/47326 http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt http://www.debian.org/security/2011/dsa-2370 http://www.kb.cert.org/vuls/id/209659 https://exchange.xforce.ibmcloud.com/vulnerabilities/71868