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

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CVE-2011-1428

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
16/03/2011
Last modified:
11/04/2025

Description

Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL chat server via an arbitrary certificate, related to incorrect use of the GnuTLS API.

Impact

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

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:flashtux:weechat:*:*:*:*:*:*:*:* 0.3.4 (including)
cpe:2.3:a:flashtux:weechat:0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.0.5:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.0.6:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.0.7:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.0.8:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.0.9:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.1.2:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.1.3:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.1.4:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools