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CVE-2016-7143

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Date: September 21, 2016

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.

Language: C

Severity Score

Related Resources (5)

http://www.openwall.com/lists/oss-security/2016/09/04/3
https://security-tracker.debian.org/tracker/CVE-2016-7143
https://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.md
https://nvd.nist.gov/vuln/detail/CVE-2016-7143
https://www.mend.io/vulnerability-database/CVE-2016-7143

Severity Score

Weakness Type (CWE)

Improper Authorization

CWE-285

Top Fix

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CVSS v3

Base Score:
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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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