CVE-2021-43412
Hurd libports/port use-after-free Privilege Escalation Vulnerability
Description
An issue was discovered in GNU Hurd before 0.9 20210404-9. libports accepts fake notification messages from any client on any port, which can lead to port use-after-free. This can be exploited for local privilege escalation to get full root access.
INFO
Published Date :
Nov. 7, 2021, 6:15 p.m.
Last Modified :
Nov. 7, 2023, 3:39 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2021-43412.
| URL | Resource |
|---|---|
| https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html | Exploit Mailing List Vendor Advisory |
| https://www.mail-archive.com/bug-hurd%40gnu.org/msg32116.html |
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-2021-43412 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-43412 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 Added Reference MITRE https://www.mail-archive.com/bug-hurd%40gnu.org/msg32116.html [No types assigned] Removed Reference MITRE https://www.mail-archive.com/[email protected]/msg32116.html -
Initial Analysis by [email protected]
Nov. 09, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html No Types Assigned https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html Exploit, Mailing List, Vendor Advisory Changed Reference Type https://www.mail-archive.com/[email protected]/msg32116.html No Types Assigned https://www.mail-archive.com/[email protected]/msg32116.html Exploit, Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:gnu:hurd:*:*:*:*:*:*:*:* versions up to (excluding) 0.9.20210404-9
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-43412 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-2021-43412
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile