ISC BIND 4.1.0/4.2.0/4.2.8/4.3.0/4.3.3 Inter-Process Communication input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in ISC BIND 4.1.0/4.2.0/4.2.8/4.3.0/4.3.3. This affects an unknown function of the component Inter-Process Communication. This manipulation causes input validation. The identification of this vulnerability is CVE-2016-2774. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in ISC BIND 4.1.0/4.2.0/4.2.8/4.3.0/4.3.3 (Domain Name Software). Affected by this vulnerability is some unknown processing of the component Inter-Process Communication. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability.

The weakness was shared 03/07/2016 as AA-01354 as confirmed security advisory (Website). It is possible to read the advisory at kb.isc.org. This vulnerability is known as CVE-2016-2774 since 02/26/2016. Access to the local network is required for this attack to succeed. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90250 (RHEL 6 / 7 : ISC DHCP Concurrent TCP Sessions DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 296003 (Solaris 11.3 Support Repository Update (SRU) 10.5.0 Missing).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (111319), Tenable (90250), SecurityFocus (BID 84208†), SecurityTracker (ID 1035196†) and Vulnerability Center (SBV-57656†). The entries VDB-79001, VDB-81007, VDB-82392 and VDB-88089 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 90250
Nessus Name: RHEL 6 / 7 : ISC DHCP Concurrent TCP Sessions DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for dhcp FEDORA-2016-821
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Fortigate IPS: 🔍

Timelineinfo

02/26/2016 🔍
03/07/2016 +10 days 🔍
03/07/2016 +0 days 🔍
03/08/2016 +1 days 🔍
03/08/2016 +0 days 🔍
03/09/2016 +1 days 🔍
03/09/2016 +0 days 🔍
03/23/2016 +14 days 🔍
03/29/2016 +6 days 🔍
07/09/2022 +2293 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: AA-01354
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2774 (🔍)
GCVE (CVE): GCVE-0-2016-2774
GCVE (VulDB): GCVE-100-81199
X-Force: 111319 - ISC DHCP inter-process communications denial of service
SecurityFocus: 84208 - ISC DHCP CVE-2016-2774 Remote Denial of Service Vulnerability
SecurityTracker: 1035196
Vulnerability Center: 57656 - ISC DHCP Server Remote DoS Vulnerability Due to Lack of Restriction of Concurrent TCP Sessions, Medium

See also: 🔍

Entryinfo

Created: 03/08/2016 22:33
Updated: 07/09/2022 10:48
Changes: 03/08/2016 22:33 (81), 02/02/2019 11:28 (11), 07/09/2022 10:48 (4)
Complete: 🔍
Cache ID: 216:12E:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!