CVE-2016-2088: Input Validation
First published: Wed Mar 09 2016(Updated: )
resolver.c in named in ISC BIND 9.10.x before 9.10.3-P4, when DNS cookies are enabled, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed packet with more than one cookie option.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ISC BIND 9 | =9.10.0 | |
| ISC BIND 9 | =9.10.0-a1 | |
| ISC BIND 9 | =9.10.0-a2 | |
| ISC BIND 9 | =9.10.0-b1 | |
| ISC BIND 9 | =9.10.0-b2 | |
| ISC BIND 9 | =9.10.0-p1 | |
| ISC BIND 9 | =9.10.0-p2 | |
| ISC BIND 9 | =9.10.0-rc1 | |
| ISC BIND 9 | =9.10.0-rc2 | |
| ISC BIND 9 | =9.10.1 | |
| ISC BIND 9 | =9.10.1-b1 | |
| ISC BIND 9 | =9.10.1-b2 | |
| ISC BIND 9 | =9.10.1-p1 | |
| ISC BIND 9 | =9.10.1-p2 | |
| ISC BIND 9 | =9.10.1-rc1 | |
| ISC BIND 9 | =9.10.1-rc2 | |
| ISC BIND 9 | =9.10.2-b1 | |
| ISC BIND 9 | =9.10.2-p1 | |
| ISC BIND 9 | =9.10.2-p2 | |
| ISC BIND 9 | =9.10.2-p3 | |
| ISC BIND 9 | =9.10.2-p4 | |
| ISC BIND 9 | =9.10.2-rc1 | |
| ISC BIND 9 | =9.10.2-rc2 | |
| ISC BIND 9 | =9.10.3 | |
| ISC BIND 9 | =9.10.3-b1 | |
| ISC BIND 9 | =9.10.3-p1 | |
| ISC BIND 9 | =9.10.3-p2 | |
| ISC BIND 9 | =9.10.3-p3 | |
| ISC BIND 9 | =9.10.3-rc1 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181036.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178831.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179904.html
- http://www.securityfocus.com/bid/84290
- http://www.securitytracker.com/id/1035238
- https://kb.isc.org/article/AA-01351
- https://kb.isc.org/article/AA-01380
- https://security.gentoo.org/glsa/201610-07
Frequently Asked Questions
What is the severity of CVE-2016-2088?
CVE-2016-2088 is classified as a denial of service vulnerability that can cause the BIND service to crash.
How do I fix CVE-2016-2088?
To mitigate CVE-2016-2088, it is recommended to upgrade ISC BIND to version 9.10.3-P4 or later.
Which versions of BIND are affected by CVE-2016-2088?
CVE-2016-2088 affects ISC BIND versions 9.10.0 through 9.10.2 inclusive.
What type of attack does CVE-2016-2088 enable?
CVE-2016-2088 allows remote attackers to send a malformed packet that results in a denial of service via assertion failure.
Are DNS cookies enabled by default in affected versions of BIND for CVE-2016-2088?
Yes, DNS cookies are enabled by default in ISC BIND versions impacted by CVE-2016-2088.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/isc
- canonical/isc bind 9
- version/isc bind 9/9.10.0
- version/isc bind 9/9.10.0-a1
- version/isc bind 9/9.10.0-a2
- version/isc bind 9/9.10.0-b1
- version/isc bind 9/9.10.0-b2
- version/isc bind 9/9.10.0-p1
- version/isc bind 9/9.10.0-p2
- version/isc bind 9/9.10.0-rc1
- version/isc bind 9/9.10.0-rc2
- version/isc bind 9/9.10.1
- version/isc bind 9/9.10.1-b1
- version/isc bind 9/9.10.1-b2
- version/isc bind 9/9.10.1-p1
- version/isc bind 9/9.10.1-p2
- version/isc bind 9/9.10.1-rc1
- version/isc bind 9/9.10.1-rc2
- version/isc bind 9/9.10.2-b1
- version/isc bind 9/9.10.2-p1
- version/isc bind 9/9.10.2-p2
- version/isc bind 9/9.10.2-p3
- version/isc bind 9/9.10.2-p4
- version/isc bind 9/9.10.2-rc1
- version/isc bind 9/9.10.2-rc2
- version/isc bind 9/9.10.3
- version/isc bind 9/9.10.3-b1
- version/isc bind 9/9.10.3-p1
- version/isc bind 9/9.10.3-p2
- version/isc bind 9/9.10.3-p3
- version/isc bind 9/9.10.3-rc1