ntp up to 4.2.8p9 on Windows Data Structure memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in ntp up to 4.2.8p9 on Windows. Affected is an unknown function of the component Data Structure Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2017-6459. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in ntp up to 4.2.8p9 on Windows (Network Management Software). It has been declared as problematic. This vulnerability affects some unknown functionality of the component Data Structure Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

The Windows installer for NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via vectors related to an argument with multiple null bytes.

The bug was discovered 03/21/2017. The weakness was presented 03/21/2017 with Cure53 as March 2017 ntp-4.2.8p10 NTP Security Vulnerability Announcement as confirmed release notes (Website). The advisory is shared for download at support.ntp.org. This vulnerability was named CVE-2017-6459 since 03/03/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 97988 (Network Time Protocol Daemon (ntpd) 4.x < 4.2.8p10 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 38665 (Network Time Protocol Daemon ntpd Multiple Vulnerabilities).

Upgrading to version 4.2.8p10 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97988), SecurityFocus (BID 97076†) and SecurityTracker (ID 1038123†). See VDB-98543, VDB-98544, VDB-98545 and VDB-98546 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97988
Nessus Name: Network Time Protocol Daemon (ntpd) 4.x < 4.2.8p10 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800407
OpenVAS Name: NTP Multiple Denial-of-Service Vulnerabilities -Mar17
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 4.2.8p10

Timelineinfo

03/03/2017 🔍
03/21/2017 +18 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
03/24/2017 +3 days 🔍
03/27/2017 +3 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
09/14/2020 +1267 days 🔍

Sourcesinfo

Advisory: March 2017 ntp-4.2.8p10 NTP Security Vulnerability Announcement
Organization: Cure53
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6459 (🔍)
GCVE (CVE): GCVE-0-2017-6459
GCVE (VulDB): GCVE-100-98548
SecurityFocus: 97076 - NTP CVE-2017-6459 Local Denial of Service Vulnerability
OSVDB: - CVE-2017-6459 - NTP - Unspecified Issue
SecurityTracker: 1038123

See also: 🔍

Entryinfo

Created: 03/27/2017 08:59
Updated: 09/14/2020 11:42
Changes: 03/27/2017 08:59 (81), 09/14/2020 11:42 (7)
Complete: 🔍
Cache ID: 216::103

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