NTP Daemon 4.2.7 PRNG denial of service

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 (≈)
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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.
4.6$0-$5k0.00

A vulnerability was found in NTP Daemon 4.2.7 (Network Management Software). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component PRNG. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect confidentiality.

The weakness was released 12/19/2014 as VU#852879 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. This vulnerability is known as CVE-2014-9298 since 12/05/2014. 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.

The vulnerability scanner Nessus provides a plugin with the ID 82045 (Amazon Linux AMI : ntp (ALAS-2015-496)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350206 (Amazon Linux Security Advisory for ntp: ALAS-2015-496).

Upgrading to version 4.2.7p11 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (100005) and Tenable (82045).

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82045
Nessus Name: Amazon Linux AMI : ntp (ALAS-2015-496)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2015-496
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 Daemon 4.2.7p11

Timelineinfo

12/05/2014 🔍
12/19/2014 +14 days 🔍
01/21/2015 +33 days 🔍
02/04/2015 +14 days 🔍
02/16/2015 +12 days 🔍
03/02/2022 +2571 days 🔍

Sourcesinfo

Advisory: VU#852879
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9298 (🔍)
OVAL: 🔍

CERT VU: 🔍
X-Force: 100005 - NTP PRNG information disclosure, Medium Risk
SecurityTracker: 1031751 - ntp Bugs Let Remote Users Deny Service, Obtain Potentially Sensitive Information, and Bypass Access Controls in Certain Cases
SecurityFocus: 72584 - NTP 'ntp_io.c' Authentication Security Bypass Vulnerability

Entryinfo

Created: 01/21/2015 10:12
Updated: 03/02/2022 16:55
Changes: 01/21/2015 10:12 (58), 07/10/2017 09:02 (11), 03/02/2022 16:55 (2)
Complete: 🔍
Cache ID: 3:83B:103

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