7.0
HIGH
CVE-2017-6455
NTP PPSAPI Local Privilege Escalation Vulnerability
Description

NTP before 4.2.8p10 and 4.3.x before 4.3.94, when using PPSAPI, allows local users to gain privileges via a DLL in the PPSAPI_DLLS environment variable.

INFO

Published Date :

March 27, 2017, 5:59 p.m.

Last Modified :

Oct. 24, 2017, 1:29 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.0
Affected Products

The following products are affected by CVE-2017-6455 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ntp ntp
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-6455.

URL Resource
http://support.ntp.org/bin/view/Main/NtpBug3384 Patch Vendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu Vendor Advisory
http://www.securityfocus.com/bid/97074 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038123 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039427
https://support.apple.com/HT208144

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-6455 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-6455 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 24, 2017

    Action Type Old Value New Value
    Added Reference https://support.apple.com/HT208144 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 27, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1039427 [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 30, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securityfocus.com/bid/97074 No Types Assigned http://www.securityfocus.com/bid/97074 Third Party Advisory, VDB Entry
    Changed Reference Type http://support.ntp.org/bin/view/Main/NtpBug3384 No Types Assigned http://support.ntp.org/bin/view/Main/NtpBug3384 Patch, Vendor Advisory
    Changed Reference Type http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu No Types Assigned http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu Vendor Advisory
    Changed Reference Type http://www.securitytracker.com/id/1038123 No Types Assigned http://www.securitytracker.com/id/1038123 Third Party Advisory, VDB Entry
    Added CWE CWE-94
    Added CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.0:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.1:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.10:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.11:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.12:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.13:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.14:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.15:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.16:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.17:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.18:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.19:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.2:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.20:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.21:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.22:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.23:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.24:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.25:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.26:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.27:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.28:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.29:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.3:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.30:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.31:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.32:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.33:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.34:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.35:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.36:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.37:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.38:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.39:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.4:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.40:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.41:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.42:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.43:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.44:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.45:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.46:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.47:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.48:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.49:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.5:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.50:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.51:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.52:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.53:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.54:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.55:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.56:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.57:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.58:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.59:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.6:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.60:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.61:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.62:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.63:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.64:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.65:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.66:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.67:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.68:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.69:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.7:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.70:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.71:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.72:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.73:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.74:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.75:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.76:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.77:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.78:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.79:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.8:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.80:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.81:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.82:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.83:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.84:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.85:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.86:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.87:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.88:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.89:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.9:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.90:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.91:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.92:*:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.3.93:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 29, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/97074 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-6455 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-6455 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability