CVE-2021-43414

An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access.

CVSS v3 7.0 HIGH
CVSS v2.0 6.9 MEDIUM

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	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/msg32114.html

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-11-07 18:15

Updated : 2023-11-07 03:39

NVD link : CVE-2021-43414

Mitre link : CVE-2021-43414

CVE.ORG link : CVE-2021-43414

JSON object : View

Products Affected

gnu

hurd

CWE

CWE-287

Improper Authentication

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