Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-5098

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
08/08/2012
Last modified:
11/04/2025

Description

chef-server-api/app/controllers/clients.rb in Chef Server in Chef before 0.9.20, and 0.10.x before 0.10.6, does not require administrative privileges for creating admin clients, which allows remote authenticated users to bypass intended access restrictions by leveraging read permission for the validation key and executing a knife client create command with the --admin option.

Impact

Vector 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.50
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:opscode:chef:*:*:*:*:*:*:*:* 0.9.18 (including)
cpe:2.3:a:opscode:chef:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.5.6:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.7.4:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.7.6:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.7.8:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.7.10:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.7.12:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.7.14:*:*:*:*:*:*:*
cpe:2.3:a:opscode:chef:0.8.2:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools