CVE-2020-16843
"Firecracker Network Stack Freezing DoS"
Description
In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered.
INFO
Published Date :
Aug. 4, 2020, 8:15 p.m.
Last Modified :
Aug. 19, 2020, 6:39 p.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-2020-16843.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2020/08/13/1 | Mailing List Third Party Advisory |
| https://github.com/firecracker-microvm/firecracker/issues/2057 | Mitigation Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2020/08/13/1 | Mailing List 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-2020-16843 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-16843 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 -
Modified Analysis by [email protected]
Aug. 19, 2020
Action Type Old Value New Value Changed Reference Type http://www.openwall.com/lists/oss-security/2020/08/13/1 No Types Assigned http://www.openwall.com/lists/oss-security/2020/08/13/1 Mailing List, Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2020/08/13/1 No Types Assigned https://www.openwall.com/lists/oss-security/2020/08/13/1 Mailing List, Third Party Advisory -
CVE Modified by [email protected]
Aug. 13, 2020
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2020/08/13/1 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 13, 2020
Action Type Old Value New Value Added Reference https://www.openwall.com/lists/oss-security/2020/08/13/1 [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 06, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/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:H Changed Reference Type https://github.com/firecracker-microvm/firecracker/issues/2057 No Types Assigned https://github.com/firecracker-microvm/firecracker/issues/2057 Mitigation, Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:amazon:firecracker:0.20.0:*:*:*:*:*:*:* *cpe:2.3:a:amazon:firecracker:0.21.0:*:*:*:*:*:*:* *cpe:2.3:a:amazon:firecracker:0.21.1:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-16843 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-2020-16843
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.13 }} -0.00%
score
0.48392
percentile