// For flags

CVE-2021-43412

 

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se ha detectado un problema en GNU Hurd versiones anteriores a 0.9 20210404-9. libports acepta mensajes de notificación falsos de cualquier cliente en cualquier puerto, lo que puede conllevar a un uso de memoria previamente liberada del puerto. Esto puede ser explotado para la escalada de privilegios locales para conseguir acceso completo de root

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-07 CVE Reserved
  • 2021-11-07 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Gnu
Search vendor "Gnu"
 Hurd
Search vendor "Gnu" for product "Hurd"
 < 0.9.20210404-9
Search vendor "Gnu" for product "Hurd" and version " < 0.9.20210404-9"
-
Affected