ntp up to 4.2.8p9 ctl_put memory corruption

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

Summaryinfo

A vulnerability has been found in ntp up to 4.2.8p9 and classified as critical. Affected by this vulnerability is the function ctl_put. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2017-6458. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ntp up to 4.2.8p9 (Network Management Software). It has been rated as critical. This issue affects the function ctl_put. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.

The bug was discovered 03/21/2017. The weakness was shared 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 at support.ntp.org. The identification of this vulnerability is CVE-2017-6458 since 03/03/2017. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Technical details are known, 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 371387 (F5 BIG-IP ASM,LTM,APM NTP Multiple Vulnerabilities (K07082049,K99254031,K32262483)).

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 97051†) and SecurityTracker (ID 1038123†). The entries VDB-98543, VDB-98544, VDB-98545 and VDB-98546 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: No
Local: No
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: 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
Organization: Cure53
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6458 (🔍)
GCVE (CVE): GCVE-0-2017-6458
GCVE (VulDB): GCVE-100-98549

OVAL: 🔍

SecurityFocus: 97051 - NTP CVE-2017-6458 Buffer Overflow Vulnerability
OSVDB: - CVE-2017-6458 - NTP - Multiple Buffer Overflow Issues
SecurityTracker: 1038123

See also: 🔍

Entryinfo

Created: 03/27/2017 08:59
Updated: 09/14/2020 11:46
Changes: 03/27/2017 08:59 (81), 09/14/2020 11:46 (7)
Complete: 🔍
Cache ID: 216:434:103

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