CVE Vulnerability

CVE-2021-43412

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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html Exploit Mailing List
https://www.mail-archive.com/bug-hurd@gnu.org/msg32116.html Exploit Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:gnu:hurd:*:*:*:*:*:*:*:*
Information

Published : 2021-11-07 06:15

Updated : 2021-11-09 08:34

NVD link : CVE-2021-43412

Mitre link : CVE-2021-43412

Products Affected
No products.
CWE
CWE-416