ntp up to 4.2.8p9 /dev/datum/ datum_pts_receive memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in ntp up to 4.2.8p9. The affected element is the function datum_pts_receive of the file /dev/datum/ of the component Legacy Datum Programmable Time Server refclock Driver. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-6462. The attack must be initiated from a local position. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in ntp up to 4.2.8p9 (Network Management Software). Affected is the function datum_pts_receive of the file /dev/datum/ of the component Legacy Datum Programmable Time Server refclock Driver. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the legacy Datum Programmable Time Server (DPTS) refclock driver in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via a crafted /dev/datum device.

The bug was discovered 03/21/2017. The weakness was shared 03/21/2017 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 is traded as CVE-2017-6462 since 03/03/2017. The attack needs to be approached locally. The requirement for exploitation is a authentication. There are known technical details, but no exploit is 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 390164 (Oracle VM Server for x86 Security Update for ntp (OVMSA-2018-0290)).

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 97045†) and SecurityTracker (ID 1038123†). The entries VDB-11702, VDB-95320, VDB-98543 and VDB-98545 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: No

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: 867773
OpenVAS Name: Fedora Update for ntp FEDORA-2017-72323a442f
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
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6462 (🔍)
GCVE (CVE): GCVE-0-2017-6462
GCVE (VulDB): GCVE-100-98544

OVAL: 🔍

SecurityFocus: 97045 - NTP CVE-2017-6462 Local Buffer Overflow Vulnerability
OSVDB: - CVE-2017-6462 - NTP - Buffer Overflow Issue
SecurityTracker: 1038123

See also: 🔍

Entryinfo

Created: 03/27/2017 08:59
Updated: 09/14/2020 11:18
Changes: 03/27/2017 08:59 (83), 09/14/2020 11:18 (6)
Complete: 🔍
Cache ID: 216:617:103

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