ISC BIND up to 9.11.0-P1 nxdomain-redirect Query 7pk error

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in ISC BIND up to 9.11.0-P1. This affects an unknown part of the component nxdomain-redirect Handler. Executing a manipulation as part of Query can lead to 7pk error. This vulnerability is tracked as CVE-2016-9778. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in ISC BIND up to 9.11.0-P1 (Domain Name Software) and classified as problematic. This vulnerability affects an unknown functionality of the component nxdomain-redirect Handler. The manipulation as part of a Query leads to a 7pk error vulnerability. The CWE definition for the vulnerability is CWE-388. As an impact it is known to affect availability. CVE summarizes:

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.

The bug was discovered 01/11/2017. The weakness was disclosed 01/16/2019 (Website). The advisory is available at kb.isc.org. This vulnerability was named CVE-2016-9778 since 12/02/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 96625 (ISC BIND 9 < 9.9.9-P5 / 9.9.9-S7 / 9.10.4-P5 / 9.11.0-P2 Multiple 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 15095 (ISC BIND 'NXDOMAIN -Redirect' Error Handling Denial of Service Vulnerability (AA-01442)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96625) and SecurityFocus (BID 95386†). The entry VDB-95200 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Internet Systems Consortium (ISC)): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk error
CWE: CWE-388
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96625
Nessus Name: ISC BIND 9 < 9.9.9-P5 / 9.9.9-S7 / 9.10.4-P5 / 9.11.0-P2 Multiple DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800634
OpenVAS Name: ISC BIND nxdomain-redirect Feature Response DoS Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/02/2016 🔍
01/11/2017 +40 days 🔍
01/11/2017 +0 days 🔍
01/11/2017 +0 days 🔍
01/19/2017 +8 days 🔍
01/16/2019 +727 days 🔍
01/16/2019 +0 days 🔍
01/17/2019 +1 days 🔍
09/15/2024 +2068 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: kb.isc.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9778 (🔍)
GCVE (CVE): GCVE-0-2016-9778
GCVE (VulDB): GCVE-100-129802
SecurityFocus: 95386 - ISC BIND CVE-2016-9131 Remote Denial of Service Vulnerability
SecurityTracker: 1037582

See also: 🔍

Entryinfo

Created: 01/17/2019 09:18
Updated: 09/15/2024 21:00
Changes: 01/17/2019 09:18 (75), 05/02/2020 07:40 (2), 07/01/2023 10:12 (4), 07/01/2023 10:17 (12), 09/15/2024 21:00 (17)
Complete: 🔍
Cache ID: 216::103

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