CVE-2018-17159
FreeBSD NFS Server Memory Allocation Denial of Service Vulnerability
Description
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, the NFS server lacks a bounds check in the READDIRPLUS NFS request. Unprivileged remote users with access to the NFS server can cause a resource exhaustion by forcing the server to allocate an arbitrarily large memory allocation.
INFO
Published Date :
Dec. 4, 2018, 3:29 p.m.
Last Modified :
Dec. 31, 2018, 4:45 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2018-17159.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/106192 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1042164 | Third Party Advisory VDB Entry |
| https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/ | Third Party Advisory |
| https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc | 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-2018-17159 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-17159 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 -
Initial Analysis by [email protected]
Dec. 31, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://www.securitytracker.com/id/1042164 No Types Assigned http://www.securitytracker.com/id/1042164 Third Party Advisory, VDB Entry Changed Reference Type https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc No Types Assigned https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc Third Party Advisory Changed Reference Type https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/ No Types Assigned https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/ Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/106192 No Types Assigned http://www.securityfocus.com/bid/106192 Third Party Advisory, VDB Entry Added CWE CWE-400 Added CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* versions up to (excluding) 11.2 *cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 13, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/106192 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 05, 2018
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1042164 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-17159 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-2018-17159
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.59 }} -0.24%
score
0.78593
percentile