5.9
MEDIUM
CVE-2016-2519
NTP ntpd Denial of Service Remote
Description
ntpd in NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (ntpd abort) by a large request data value, which triggers the ctl_getitem function to return a NULL value.
INFO
Published Date :
Jan. 30, 2017, 9:59 p.m.
Last Modified :
Nov. 21, 2017, 2:29 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
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-2016-2519.
| URL | Resource |
|---|---|
| http://support.ntp.org/bin/view/Main/NtpBug3008 | Vendor Advisory |
| http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html | Third Party Advisory |
| http://www.securityfocus.com/bid/88204 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1035705 | |
| https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc | |
| https://security.gentoo.org/glsa/201607-15 | |
| https://security.netapp.com/advisory/ntap-20171004-0002/ | |
| https://www.kb.cert.org/vuls/id/718152 | Third Party Advisory US Government Resource |
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-2016-2519 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-2519 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]
Nov. 21, 2017
Action Type Old Value New Value Added Reference https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc [No Types Assigned] -
CVE Modified by [email protected]
Nov. 10, 2017
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20171004-0002/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 03, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1035705 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 01, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201607-15 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 24, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:H/Au:S/C:N/I:N/A:C) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://support.ntp.org/bin/view/Main/NtpBug3008 No Types Assigned http://support.ntp.org/bin/view/Main/NtpBug3008 Vendor Advisory Changed Reference Type http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html No Types Assigned http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/88204 No Types Assigned http://www.securityfocus.com/bid/88204 Third Party Advisory, VDB Entry Changed Reference Type https://www.kb.cert.org/vuls/id/718152 No Types Assigned https://www.kb.cert.org/vuls/id/718152 Third Party Advisory, US Government Resource Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:* (and previous) Added CPE Configuration OR *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:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 10, 2017
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html [No Types Assigned] -
CVE Modified by [email protected]
Feb. 01, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/88204 [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-2016-2519 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-2016-2519
weaknesses.
CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call
CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities
CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables
CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow
CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow
CAPEC-42: MIME Conversion MIME Conversion
CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File
CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links
CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags
CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion
CAPEC-100: Overflow Buffers Overflow Buffers
CAPEC-123: Buffer Manipulation Buffer Manipulation
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
4.62 }} 0.51%
score
0.92489
percentile
CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability