CVE-2019-14850
NBDKit Denial of Service Vulnerability
Description
A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, depending on the plugins configured on the server-side.
INFO
Published Date :
March 18, 2021, 7:15 p.m.
Last Modified :
Nov. 21, 2024, 4:27 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2019-14850
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] |
Solution
- Update nbdkit to the latest version.
- Update relevant packages based on vendor guidance.
Public PoC/Exploit Available at Github
CVE-2019-14850 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2019-14850.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1757258 | Issue Tracking Patch Third Party Advisory |
| https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html | Exploit Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1757258 | Issue Tracking Patch Third Party Advisory |
| https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html | Exploit Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-14850 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-2019-14850
weaknesses.
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).
🐞 Security tool to map CVE with KB & CVE with RHSA
cve kb rhsa secops security-tools security-audit cve-kb cve-rhsa
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-14850 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-14850 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1757258 Added Reference https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Mar. 24, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:H/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1757258 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1757258 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html No Types Assigned https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html Exploit, Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:* versions up to (excluding) 1.12.7 *cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:* versions from (including) 1.14.0 up to (excluding) 1.14.1 *cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:* versions from (including) 1.15.0 up to (excluding) 1.15.1 Added CPE Configuration OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 3.7
Base CVSS Score: 2.6
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.40 }} 0.12%
score
0.59554
percentile