ntpd up to 4.2.8p8 on Windows UDP Packet resource management

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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in ntpd up to 4.2.8p8 on Windows. This affects an unknown function of the component UDP Packet Handler. The manipulation results in resource management. This vulnerability is cataloged as CVE-2016-9312. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in ntpd up to 4.2.8p8 on Windows (Network Management Software). It has been classified as problematic. Affected is an unknown functionality of the component UDP Packet Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

ntpd in NTP before 4.2.8p9, when running on Windows, allows remote attackers to cause a denial of service via a large UDP packet.

The bug was discovered 11/21/2016. The weakness was shared 01/13/2017 (Website). The advisory is available at nwtime.org. This vulnerability is traded as CVE-2016-9312 since 11/14/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 95575 (Network Time Protocol Daemon (ntpd) 4.x < 4.2.8p9 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371402 (Cisco UCS 6200 Series Fabric Interconnects Multiple Vulnerabilities in Network Time Protocol Daemon (CSCvc23476)).

Upgrading to version 4.2.8p9 eliminates this vulnerability.It is possible to mitigate the weakness by firewalling udp. The best possible mitigation is suggested to be upgrading to the latest version. 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 (95575) and SecurityFocus (BID 94450†). The entries VDB-93745, VDB-95317, VDB-95318 and VDB-95319 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 95575
Nessus Name: Network Time Protocol Daemon (ntpd) 4.x < 4.2.8p9 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ntpd 4.2.8p9
Firewalling: 🔍

Timelineinfo

11/14/2016 🔍
11/21/2016 +7 days 🔍
11/21/2016 +0 days 🔍
11/21/2016 +0 days 🔍
12/06/2016 +15 days 🔍
01/13/2017 +38 days 🔍
01/13/2017 +0 days 🔍
01/15/2017 +2 days 🔍
11/25/2024 +2871 days 🔍

Sourcesinfo

Advisory: nwtime.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9312 (🔍)
GCVE (CVE): GCVE-0-2016-9312
GCVE (VulDB): GCVE-100-95334
CERT: 🔍
SecurityFocus: 94450 - NTP CVE-2016-9312 Denial of Service Vulnerability
OSVDB: - CVE-2016-9312 - NTP - Denial of Service Issue
SecurityTracker: 1037354

See also: 🔍

Entryinfo

Created: 01/15/2017 10:39
Updated: 11/25/2024 04:45
Changes: 01/15/2017 10:39 (70), 07/21/2020 17:46 (7), 10/28/2022 18:05 (3), 11/25/2024 04:45 (15)
Complete: 🔍
Cache ID: 216:0A3:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!