CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.2 | $0-$5k | 0.00 |
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.
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 vulnerability database at Tenable (96625). The entry 95200 is pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB 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)): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: 7pk errorCWE: CWE-388
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
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: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/02/2016 🔍01/11/2017 🔍
01/11/2017 🔍
01/11/2017 🔍
01/19/2017 🔍
01/16/2019 🔍
01/16/2019 🔍
01/17/2019 🔍
07/01/2023 🔍
Sources
Vendor: isc.orgAdvisory: kb.isc.org
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-9778 (🔍)
SecurityTracker: 1037582
SecurityFocus: 95386 - ISC BIND CVE-2016-9131 Remote Denial of Service Vulnerability
See also: 🔍
Entry
Created: 01/17/2019 09:18Updated: 07/01/2023 10:17
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)
Complete: 🔍
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