The mauthenticate function in modules/msasl.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.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"vendor_product": "debian:debian_linux",
"source": "CPE_STRING"
}
]
}{
"cpe": "cpe:2.3:a:charybdis_project:charybdis:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "3.5.2"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
]
}[
{
"source": "https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824",
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"line_hashes": [
"307977163491788888553282772178121197387",
"173380711908594219357427529785413226173",
"298527943946820592230202928672794915803"
],
"threshold": 0.9
},
"deprecated": false,
"id": "CVE-2016-7143-2b66f471",
"target": {
"file": "modules/m_sasl.c"
}
},
{
"source": "https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824",
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"function_hash": "255452577363413129625900170026446147051",
"length": 1835.0
},
"deprecated": false,
"id": "CVE-2016-7143-f0f3bcd6",
"target": {
"function": "m_authenticate",
"file": "modules/m_sasl.c"
}
}
]
"2026-07-08T12:41:46Z"
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-7143.json"