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

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CVE-2016-7144

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
18/01/2017
Last modified:
20/04/2025

Description

The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

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

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:unrealircd:unrealircd:*:*:*:*:*:*:*:* 3.2.10.5 (including)
cpe:2.3:a:unrealircd:unrealircd:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:unrealircd:unrealircd:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:unrealircd:unrealircd:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:unrealircd:unrealircd:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:unrealircd:unrealircd:4.0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:unrealircd:unrealircd:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:unrealircd:unrealircd:4.0.5:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools