Denial of Service Vulnerability in ISC BIND 9 from Internet Systems Consortium
CVE-2016-1284

5.9MEDIUM

Key Information:

Vendor

Isc
Status
Bind
Vendor
CVE Published:
4 February 2016

What is CVE-2016-1284?

The ISC BIND 9 Supported Preview Edition prior to version 9.9.8-S5 is susceptible to a denial of service vulnerability. When the nxdomain-redirect feature is enabled, an attacker can exploit this flaw by sending specially crafted flag values within a DNS query. This action can lead to REQUIRES assertion failures, causing the BIND daemon to exit unexpectedly, thereby interrupting DNS service and impacting availability for users.

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References

https://kb.isc.org/article/AA-01438
x_refsource_CONFIRM
https://kb.isc.org/article/AA-01348
x_refsource_CONFIRM
http://www.securitytracker.com/id/1034935
vdb-entryx_refsource_SECTRACK

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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