CVE-2021-4248
Kapetan DNS Insufficient Entropy in PRNG
Description
A vulnerability was found in kapetan dns up to 6.1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file DNS/Protocol/Request.cs. The manipulation leads to insufficient entropy in prng. The attack may be launched remotely. Upgrading to version 7.0.0 is able to address this issue. The name of the patch is cf7105aa2aae90d6656088fe5a8ee1d5730773b6. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216188.
INFO
Published Date :
Dec. 18, 2022, 11:15 a.m.
Last Modified :
Nov. 7, 2023, 3:40 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
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-2021-4248.
| URL | Resource |
|---|---|
| https://github.com/kapetan/dns/commit/cf7105aa2aae90d6656088fe5a8ee1d5730773b6 | Patch Third Party Advisory |
| https://github.com/kapetan/dns/pull/88 | Patch Third Party Advisory |
| https://github.com/kapetan/dns/releases/tag/v7.0.0 | Release Notes Third Party Advisory |
| https://vuldb.com/?id.216188 | Permissions Required 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-2021-4248 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4248 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. 07, 2023
Action Type Old Value New Value Removed CWE VulDB CWE-331 Removed CWE VulDB CWE-332 -
Initial Analysis by [email protected]
Dec. 22, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/kapetan/dns/commit/cf7105aa2aae90d6656088fe5a8ee1d5730773b6 No Types Assigned https://github.com/kapetan/dns/commit/cf7105aa2aae90d6656088fe5a8ee1d5730773b6 Patch, Third Party Advisory Changed Reference Type https://github.com/kapetan/dns/pull/88 No Types Assigned https://github.com/kapetan/dns/pull/88 Patch, Third Party Advisory Changed Reference Type https://github.com/kapetan/dns/releases/tag/v7.0.0 No Types Assigned https://github.com/kapetan/dns/releases/tag/v7.0.0 Release Notes, Third Party Advisory Changed Reference Type https://vuldb.com/?id.216188 No Types Assigned https://vuldb.com/?id.216188 Permissions Required, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:kapetan_dns_project:kapetan_dns:*:*:*:*:*:*:*:* versions up to (excluding) 7.0.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4248 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-2021-4248
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} 0.01%
score
0.57874
percentile