CVE-2011-4869

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

References

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

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