CVE-2016-2776: Input Validation

Published Sep 28, 2016
·
Updated

buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.

Affected Software

49 affected components
Oracle Linux=5.0
Oracle Linux=6
Oracle Linux=7
Oracle VM Server=3.2
Oracle VM Server=3.3
Oracle VM Server=3.4
ISC BIND<=9.9.9
ISC BIND=9.10.0
ISC BIND=9.10.0-a1
ISC BIND=9.10.0-a2
ISC BIND=9.10.0-b1
ISC BIND=9.10.0-b2
ISC BIND=9.10.0-p1
ISC BIND=9.10.0-p2
ISC BIND=9.10.0-rc1
ISC BIND=9.10.0-rc2
ISC BIND=9.10.1
ISC BIND=9.10.1-b1
ISC BIND=9.10.1-b2
ISC BIND=9.10.1-p1
ISC BIND=9.10.1-p2
ISC BIND=9.10.1-rc1
ISC BIND=9.10.1-rc2
ISC BIND=9.10.2-b1
ISC BIND=9.10.2-p1
ISC BIND=9.10.2-p2
ISC BIND=9.10.2-p3
ISC BIND=9.10.2-p4
ISC BIND=9.10.2-rc1
ISC BIND=9.10.2-rc2
ISC BIND=9.10.3
ISC BIND=9.10.3-b1
ISC BIND=9.10.3-p1
ISC BIND=9.10.3-p2
ISC BIND=9.10.3-p3
ISC BIND=9.10.3-p4
ISC BIND=9.10.3-rc1
ISC BIND=9.10.4-p2
ISC BIND=9.10.4-p3
ISC BIND=9.11.0-a1
ISC BIND=9.11.0-a2
ISC BIND=9.11.0-a3
ISC BIND=9.11.0-b1
ISC BIND=9.11.0-b2
ISC BIND=9.11.0-b3
ISC BIND=9.11.0-rc1
HP HP-UX=11.31
Oracle Solaris=10.0
Oracle Solaris=11.3

Event History

Sep 28, 2016
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2016-2776?

CVE-2016-2776 is classified as a denial of service vulnerability affecting ISC BIND.

2

How do I fix CVE-2016-2776?

To fix CVE-2016-2776, upgrade to ISC BIND versions 9.9.9-P3, 9.10.4-P3, or 9.11.0rc3 or later.

3

What versions of ISC BIND are affected by CVE-2016-2776?

CVE-2016-2776 affects ISC BIND versions before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3.

4

What can attackers do with CVE-2016-2776?

Attackers can exploit CVE-2016-2776 to create crafted queries that trigger assertion failures, leading to daemon exits and denial of service.

5

Which operating systems are affected by CVE-2016-2776?

CVE-2016-2776 affects various Oracle Linux and Oracle Solaris versions where ISC BIND is deployed.

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