Description
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.
References (6)
Core 6
Core References
Issue Tracking, Patch x_refsource_confirm
https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2016/dsa-3661
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.md
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/92761
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/09/05/8
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/09/04/3
Scores
CVSS v3
8.1
EPSS
0.0106
EPSS Percentile
60.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-285
Status
published
Products (2)
charybdis_project/charybdis
< 3.5.2
debian/debian_linux
8.0
Published
Sep 21, 2016
Tracked Since
Feb 18, 2026