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.
Published 2011-12-20 11:55:09
Updated 2017-08-29 01:30:37
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2011-4869

Top countries where our scanners detected CVE-2011-4869
Top open port discovered on systems with this issue 53
IPs affected by CVE-2011-4869 8
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Exploit prediction scoring system (EPSS) score for CVE-2011-4869

Probability of exploitation activity in the next 30 days: 1.50%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 85 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-4869

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.8
HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
NIST

CWE ids for CVE-2011-4869

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4869

Products affected by CVE-2011-4869

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