ntp 4.2.8p5 ntpq/ntpdc access control

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

A vulnerability has been found in ntp 4.2.8p5 (Network Management Software) and classified as problematic. Affected by this vulnerability is some unknown processing of the component ntpq/ntpdc. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

ntpq in NTP before 4.2.8p7 allows remote attackers to obtain origin timestamps and then impersonate peers via unspecified vectors.

The weakness was presented 01/19/2016 with Cisco as confirmed security notice (Website). The advisory is shared at support.ntp.org. This vulnerability is known as CVE-2015-8139 since 11/13/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 88054 (Network Time Protocol Daemon (ntpd) 3.x / 4.x < 4.2.8p6 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 330001 (IBM AIX NTP Multiple Vulnerabilities).

Upgrading to version 4.2.8p6 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (110027) and Tenable (88054). See 80644, 80645, 80646 and 80647 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.8
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88054
Nessus Name: Network Time Protocol Daemon (ntpd) 3.x / 4.x < 4.2.8p6 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880527
OpenVAS Name: Fedora Update for ntp FEDORA-2016-89e0874533
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ntp 4.2.8p6

Timelineinfo

11/13/2015 🔍
01/18/2016 +66 days 🔍
01/18/2016 +0 days 🔍
01/18/2016 +0 days 🔍
01/19/2016 +0 days 🔍
01/20/2016 +1 days 🔍
01/25/2016 +4 days 🔍
02/29/2016 +35 days 🔍
01/30/2017 +335 days 🔍
07/06/2022 +1983 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-50b0066b7f
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8139 (🔍)
OVAL: 🔍

X-Force: 110027 - NTP ntpq and ntpdc information disclosure
SecurityTracker: 1034782
Vulnerability Center: 56838 - Network Time Protocol (NTPD) < 4.2.8p7 Remote Sensitive Information Disclosure Vulnerability, Medium
SecurityFocus: 82105 - NTP CVE-2015-8139 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 01/25/2016 13:51
Updated: 07/06/2022 09:10
Changes: 01/25/2016 13:51 (76), 08/24/2018 09:19 (14), 07/06/2022 09:10 (5)
Complete: 🔍

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