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

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CVE-2011-4091

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
10/02/2014
Last modified:
11/04/2025

Description

The libobby server in inc/server.hpp in libnet6 (aka net6) before 1.3.14 does not perform authentication before checking the user name, which allows remote attackers to obtain sensitive information such as server-usage patterns by a particular user and color preferences.

Impact

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:*:*:*:*:*:*:*:* 1.3.13 (including)
cpe:2.3:a:armin_burgmeier:net6:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.5:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.6:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.7:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.8:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.9:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.10:*:*:*:*:*:*:*
cpe:2.3:a:armin_burgmeier:net6:1.3.11:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools