CVE-2016-7143

The m_authenticate function in modules/m_sasl.c in Charybdis before 3.5.3 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.

CVSS v3.0 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2016/09/05/8	Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3661	Third Party Advisory
https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824	Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2016/09/04/3	Mailing List Third Party Advisory
https://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.md	Release Notes Third Party Advisory
http://www.securityfocus.com/bid/92761

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Configurations

Configuration 1 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:charybdis_project:charybdis:*:*:*:*:*:*:*:*

Information

Published : 2016-09-21 07:25

Updated : 2016-11-28 12:37

NVD link : CVE-2016-7143

Mitre link : CVE-2016-7143

JSON object : View

CWE

CWE-285

Improper Authorization

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Products Affected

debian

debian_linux

charybdis_project

charybdis

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