ISC BIND up to 9.10.3-P3 named resolver.c Cookie Option input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability, which was classified as critical, has been found in ISC BIND up to 9.10.3-P3 (Domain Name Software). This issue affects an unknown code block of the file resolver.c of the component named. The manipulation as part of a Cookie Option leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

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.

The weakness was disclosed 03/09/2016 (Website). The advisory is shared at kb.isc.org. The identification of this vulnerability is CVE-2016-2088 since 01/26/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 90000 (ISC BIND 9 resolver.c Multiple DNS Cookie Packet Handling DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family DNS and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 15004 (ISC BIND Multiple Denial of Service Vulnerabilities (AA-01351, AA-01352, AA-01353)).

Upgrading to version 9.10.3-P4 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 24094.

The vulnerability is also documented in the databases at Tenable (90000), SecurityFocus (BID 84290†) and Vulnerability Center (SBV-57178†). The entries VDB-8997 and VDB-79802 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 90000
Nessus Name: ISC BIND 9 resolver.c Multiple DNS Cookie Packet Handling DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for bind FEDORA-2016-75
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIND 9.10.3-P4
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

01/26/2016 🔍
03/08/2016 +42 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/10/2016 +0 days 🔍
03/16/2016 +6 days 🔍
07/10/2022 +2306 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: FEDORA-2016-364c0a9df4
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2088 (🔍)
SecurityFocus: 84290 - ISC BIND CVE-2016-2088 Remote Denial of Service Vulnerability
SecurityTracker: 1035238
Vulnerability Center: 57178 - ISC BIND Remote DoS via a Malformed Packet with More than One Cookie Option, High

See also: 🔍

Entryinfo

Created: 03/10/2016 09:16 AM
Updated: 07/10/2022 08:50 AM
Changes: 03/10/2016 09:16 AM (69), 09/02/2018 10:40 AM (20), 07/10/2022 08:50 AM (5)
Complete: 🔍
Cache ID: 98:DD4:40

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