ntp up to 4.2.7 on Linux/OS X ntpd ntp_io.c code

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in ntp up to 4.2.7 on Linux/OS X. Affected by this issue is some unknown functionality of the file ntp_io.c of the component ntpd. Such manipulation leads to Remote Code Execution. This vulnerability is referenced as CVE-2014-9751. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ntp up to 4.2.7 on Linux/OS X (Network Management Software). It has been rated as critical. Affected by this issue is an unknown part of the file ntp_io.c of the component ntpd. The manipulation with an unknown input leads to a code vulnerability. Using CWE to declare the problem leads to CWE-17. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The read_network_packet function in ntp_io.c in ntpd in NTP 4.x before 4.2.8p1 on Linux and OS X does not properly determine whether a source IP address is an IPv6 loopback address, which makes it easier for remote attackers to spoof restricted packets, and read or write to the runtime state, by leveraging the ability to reach the ntpd machine's network interface with a packet from the ::1 address.

The weakness was published 10/06/2015 (Website). The advisory is shared for download at kb.cert.org. This vulnerability is handled as CVE-2014-9751 since 10/04/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 84951 (RHEL 6 : ntp (RHSA-2015:1459)), 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 195997 (Ubuntu Security Notification for Ntp Vulnerabilities (USN-2497-1)).

Upgrading to version 4.2.8p1 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 Tenable (84951), SecurityFocus (BID 72584†) and Vulnerability Center (SBV-54242†). Similar entries are available at VDB-68640, VDB-68641, VDB-74740 and VDB-78199. 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: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Code
CWE: CWE-17
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84951
Nessus Name: RHEL 6 : ntp (RHSA-2015:1459)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800407
OpenVAS Name: NTP Multiple Vulnerabilities
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 4.2.8p1

Timelineinfo

02/04/2015 🔍
02/04/2015 +0 days 🔍
07/22/2015 +168 days 🔍
07/23/2015 +1 days 🔍
10/04/2015 +73 days 🔍
10/05/2015 +1 days 🔍
10/06/2015 +1 days 🔍
10/06/2015 +0 days 🔍
11/06/2015 +31 days 🔍
06/20/2022 +2418 days 🔍

Sourcesinfo

Advisory: RHSA-2015:1459
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-9751 (🔍)
GCVE (CVE): GCVE-0-2014-9751
GCVE (VulDB): GCVE-100-78200

OVAL: 🔍

SecurityFocus: 72584 - NTP 'ntp_io.c' Authentication Security Bypass Vulnerability
Vulnerability Center: 54242 - NTP 4.0 - 4.2.8p Remote Code Execution in The read_network_packet Function in ntp_io.c in ntpd - CVE-2014-9751, Medium

See also: 🔍

Entryinfo

Created: 10/06/2015 11:29
Updated: 06/20/2022 08:22
Changes: 10/06/2015 11:29 (55), 03/11/2018 09:43 (24), 06/20/2022 08:22 (3)
Complete: 🔍
Cache ID: 216::103

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