CVE-2015-7851
NTP Directory Traversal
Description
Directory traversal vulnerability in the save_config function in ntpd in ntp_control.c in NTP before 4.2.8p4, when used on systems that do not use '\' or '/' characters for directory separation such as OpenVMS, allows remote authenticated users to overwrite arbitrary files.
INFO
Published Date :
Jan. 28, 2020, 5:15 p.m.
Last Modified :
June 18, 2020, 6:33 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
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-2015-7851.
| URL | Resource |
|---|---|
| http://support.ntp.org/bin/view/Main/NtpBug2918 | Vendor Advisory |
| http://support.ntp.org/bin/view/Main/SecurityNotice | Release Notes Vendor Advisory |
| http://www.talosintel.com/reports/TALOS-2015-0062/ | Exploit Third Party Advisory |
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-2015-7851 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-7851 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 -
Reanalysis by [email protected]
Jun. 18, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:P/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Changed Reference Type http://support.ntp.org/bin/view/Main/SecurityNotice Vendor Advisory http://support.ntp.org/bin/view/Main/SecurityNotice Release Notes, Vendor Advisory Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* versions up to (including) 4.2.8 *cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p11:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p12:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p13:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (excluding) 4.3.77 OR *cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* versions from (including) 4.2.0 up to (excluding) 4.2.8 *cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (excluding) 4.3.77 -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p3_rc3:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p3_rc2:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p3_rc1:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p2_rc3:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p2_rc2:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p2_rc1:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p1_rc2:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p1_rc1:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta5:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta4:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta3:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta2:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta1:*:*:*:*:*:* OR *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* -
Initial Analysis by [email protected]
Feb. 06, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Changed Reference Type http://support.ntp.org/bin/view/Main/NtpBug2918 No Types Assigned http://support.ntp.org/bin/view/Main/NtpBug2918 Vendor Advisory Changed Reference Type http://support.ntp.org/bin/view/Main/SecurityNotice No Types Assigned http://support.ntp.org/bin/view/Main/SecurityNotice Vendor Advisory Changed Reference Type http://www.talosintel.com/reports/TALOS-2015-0062/ No Types Assigned http://www.talosintel.com/reports/TALOS-2015-0062/ Exploit, Third Party Advisory Added CWE NIST CWE-22 Added CPE Configuration OR *cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* versions up to (including) 4.2.8 *cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p11:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p12:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p13:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta4:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1_beta5:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1_rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p1_rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2_rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2_rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p2_rc3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3_rc1:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3_rc2:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:4.2.8:p3_rc3:*:*:*:*:*:* *cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (excluding) 4.3.77
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-7851 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-2015-7851
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} 0.00%
score
0.53923
percentile