ntp 4.2.8 Ephemeral Association data processing

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in ntp 4.2.8. It has been classified as critical. Affected is an unknown function of the component Ephemeral Association Handler. Performing a manipulation results in data processing. This vulnerability was named CVE-2016-1549. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in ntp 4.2.8 (Network Management Software). This affects an unknown code block of the component Ephemeral Association Handler. The manipulation with an unknown input leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on integrity, and availability.

The weakness was presented 04/27/2016 with Cisco as confirmed security notice (Website). It is possible to read the advisory at support.ntp.org. This vulnerability is uniquely identified as CVE-2016-1549 since 01/07/2016. The exploitability is told to be difficult. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90800 (Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : ntp (SSA:2016-120-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43630 (Juniper Junos Multiple vulnerabilities in NTP (JSA10898)).

Upgrading to version 4.2.8p7 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (112741), Tenable (90800) and SecurityFocus (BID 88200†). See VDB-75125, VDB-76044, VDB-81312 and VDB-82981 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90800
Nessus Name: Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : ntp (SSA:2016-120-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 862576
OpenVAS Name: SuSE Update for ntp SUSE-SU-2016:1568-1 (ntp)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: ntp 4.2.8p7

Timelineinfo

01/07/2016 🔍
04/26/2016 +109 days 🔍
04/27/2016 +1 days 🔍
04/28/2016 +1 days 🔍
04/29/2016 +0 days 🔍
05/02/2016 +3 days 🔍
01/06/2017 +249 days 🔍
04/20/2025 +3026 days 🔍

Sourcesinfo

Advisory: SA_18_13
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1549 (🔍)
GCVE (CVE): GCVE-0-2016-1549
GCVE (VulDB): GCVE-100-82983

OVAL: 🔍

CERT: 🔍
X-Force: 112741 - NTP ephemeral association security bypass
SecurityFocus: 88200 - NTP CVE-2016-1549 Remote Security Vulnerability
SecurityTracker: 1035705

See also: 🔍

Entryinfo

Created: 04/28/2016 10:46
Updated: 04/20/2025 04:06
Changes: 04/28/2016 10:46 (67), 10/29/2018 06:14 (19), 07/27/2022 09:33 (6), 07/27/2022 09:34 (1), 04/20/2025 04:06 (15)
Complete: 🔍
Cache ID: 216::103

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