Vulnerability Details CVE-2011-4869
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.014
EPSS Ranking 79.3%
CVSS Severity
CVSS v2 Score 7.8
References
- 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
- 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
Products affected by CVE-2011-4869
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cpe:2.3:a:unbound:unbound:*
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cpe:2.3:a:unbound:unbound:0.0
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cpe:2.3:a:unbound:unbound:0.09
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cpe:2.3:a:unbound:unbound:0.1
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cpe:2.3:a:unbound:unbound:0.10
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cpe:2.3:a:unbound:unbound:0.11
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cpe:2.3:a:unbound:unbound:0.2
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cpe:2.3:a:unbound:unbound:0.3
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cpe:2.3:a:unbound:unbound:0.4
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cpe:2.3:a:unbound:unbound:0.5
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cpe:2.3:a:unbound:unbound:0.6
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cpe:2.3:a:unbound:unbound:0.7
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cpe:2.3:a:unbound:unbound:0.7.1
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cpe:2.3:a:unbound:unbound:0.7.2
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cpe:2.3:a:unbound:unbound:0.8
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cpe:2.3:a:unbound:unbound:1.0.0
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cpe:2.3:a:unbound:unbound:1.0.1
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cpe:2.3:a:unbound:unbound:1.0.2
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cpe:2.3:a:unbound:unbound:1.1.0
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cpe:2.3:a:unbound:unbound:1.1.1
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cpe:2.3:a:unbound:unbound:1.2.0
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cpe:2.3:a:unbound:unbound:1.2.1
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cpe:2.3:a:unbound:unbound:1.3.0
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cpe:2.3:a:unbound:unbound:1.3.1
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cpe:2.3:a:unbound:unbound:1.3.2
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cpe:2.3:a:unbound:unbound:1.3.3
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cpe:2.3:a:unbound:unbound:1.3.4
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cpe:2.3:a:unbound:unbound:1.4.0
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cpe:2.3:a:unbound:unbound:1.4.1
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cpe:2.3:a:unbound:unbound:1.4.10
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cpe:2.3:a:unbound:unbound:1.4.11
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cpe:2.3:a:unbound:unbound:1.4.2
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cpe:2.3:a:unbound:unbound:1.4.3
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cpe:2.3:a:unbound:unbound:1.4.4
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cpe:2.3:a:unbound:unbound:1.4.5
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cpe:2.3:a:unbound:unbound:1.4.6
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cpe:2.3:a:unbound:unbound:1.4.7
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cpe:2.3:a:unbound:unbound:1.4.8
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cpe:2.3:a:unbound:unbound:1.4.9