An error in handling certain queries can cause an assertion failure when a server is using the nxdomain-redirect feature to cover a zone for which it is also providing authoritative service. A vulnerable server could be intentionally stopped by an attacker if it was using a configuration that met the criteria for the vulnerability and if the attacker could cause it to accept a query that possessed the required attributes. Please note: This vulnerability affects the "nxdomain-redirect" feature, which is one of two methods of handling NXDOMAIN redirection, and is only available in certain versions of BIND. Redirection using zones of type "redirect" is not affected by this vulnerability. Affects BIND 9.9.8-S1 -> 9.9.8-S3, 9.9.9-S1 -> 9.9.9-S6, 9.11.0-9.11.0-P1.
Published 2019-01-16 20:29:00
Updated 2019-10-09 23:20:44
View at NVD,   CVE.org

Products affected by CVE-2016-9778

Threat overview for CVE-2016-9778

Top countries where our scanners detected CVE-2016-9778
Top open port discovered on systems with this issue 53
IPs affected by CVE-2016-9778 227
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2016-9778

3.52%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-9778

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
NIST
5.9
MEDIUM CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
2.2
3.6
NIST
7.5
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
Internet Systems Consortium (ISC)

CWE ids for CVE-2016-9778

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

References for CVE-2016-9778

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