CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in ISC BIND up to 9.10.4-P1 (Domain Name Software). Affected is some unknown processing of the component UPDATE Message Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:
ISC BIND through 9.10.4-P1 allows primary DNS servers to cause a denial of service (secondary DNS server crash) via a large AXFR response, and possibly allows IXFR servers to cause a denial of service (IXFR client crash) via a large IXFR response and allows remote authenticated users to cause a denial of service (primary DNS server crash) via a large UPDATE message.
The weakness was disclosed 07/06/2016 as confirmed posting (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2016-6170 since 07/06/2016. It is possible to launch the attack remotely. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 94926 (Fedora 24 : bind99 (2016-9417b4c1dc)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169849 (SUSE Enterprise Linux Security Update for bind (SUSE-SU-2017:0998-1)).
Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. 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 (94926). Further details are available at seclists.org. The entries 88750, 88751 and 96764 are 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: 6.5VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 94926
Nessus Name: Fedora 24 : bind99 (2016-9417b4c1dc)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 866204
OpenVAS Name: ISC BIND AXFR Response Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
06/28/2016 🔍07/06/2016 🔍
07/06/2016 🔍
07/06/2016 🔍
07/06/2016 🔍
07/07/2016 🔍
07/07/2016 🔍
11/17/2016 🔍
09/01/2022 🔍
Sources
Vendor: isc.orgAdvisory: FEDORA-2016-9417b4c1dc
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-6170 (🔍)
SecurityTracker: 1036241
SecurityFocus: 91611 - ISC BIND CVE-2016-6170 Remote Denial of Service Vulnerability
Misc.: 🔍
See also: 🔍
Entry
Created: 07/07/2016 10:43Updated: 09/01/2022 06:47
Changes: 07/07/2016 10:43 (74), 02/18/2019 13:15 (11), 09/01/2022 06:47 (4)
Complete: 🔍
Cache ID: 3:740:103
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