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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.
Publish Date : 2019-01-16 Last Update Date : 2019-10-09
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CVSS Scores & Vulnerability Types
CVSS Score |
4.3 |
Confidentiality Impact |
None
(There is no impact to the confidentiality of the system.) |
Integrity Impact |
None
(There is no impact to the integrity of the system) |
Availability Impact |
Partial
(There is reduced performance or interruptions in resource availability.) |
Access Complexity |
Medium
(The access conditions are somewhat specialized. Some preconditions must be satistified to exploit) |
Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
Gained Access |
None |
Vulnerability Type(s) |
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CWE ID |
388 |
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Products Affected By CVE-2016-9778
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Number Of Affected Versions By Product
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References For CVE-2016-9778
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Metasploit Modules Related To CVE-2016-9778
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