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4 vulnerabilities by foxcpp
CVE-2026-40193 (GCVE-0-2026-40193)
Vulnerability from cvelistv5 – Published: 2026-04-15 23:15 – Updated: 2026-04-16 14:23
VLAI?
Title
Maddy Mail Server: LDAP Filter Injection via Unsanitized Username
Summary
maddy is a composable, all-in-one mail server. Versions prior to 0.9.3 contain an LDAP injection vulnerability in the auth.ldap module where user-supplied usernames are interpolated into LDAP search filters and DN strings via strings.ReplaceAll() without any LDAP filter escaping, despite the go-ldap/ldap/v3 library's ldap.EscapeFilter() function being available in the same import. This affects three code paths: the Lookup() filter, the AuthPlain() DN template, and the AuthPlain() filter. An attacker with network access to the SMTP submission or IMAP interface can inject arbitrary LDAP filter expressions through the username field in AUTH PLAIN or LOGIN commands. This enables identity spoofing by manipulating filter results to authenticate as another user, LDAP directory enumeration via wildcard filters, and blind extraction of LDAP attribute values using authentication responses as a boolean oracle or via timing side-channels between the two distinct failure paths. This issue has been fixed in version 0.9.3.
Severity ?
8.2 (High)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
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CVE-2023-27582 (GCVE-0-2023-27582)
Vulnerability from cvelistv5 – Published: 2023-03-13 21:40 – Updated: 2025-02-25 14:58
VLAI?
Title
Full authentication bypass if SASL authorization username is specified
Summary
maddy is a composable, all-in-one mail server. Starting with version 0.2.0 and prior to version 0.6.3, maddy allows a full authentication bypass if SASL authorization username is specified when using the PLAIN authentication mechanisms. Instead of validating the specified username, it is accepted as is after checking the credentials for the authentication username. maddy 0.6.3 includes the fix for the bug. There are no known workarounds.
Severity ?
9.1 (Critical)
Assigner
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CVE-2022-24732 (GCVE-0-2022-24732)
Vulnerability from cvelistv5 – Published: 2022-03-09 19:40 – Updated: 2025-04-23 18:56
VLAI?
Title
Maddy Mail Server does not implement account expiry
Summary
Maddy Mail Server is an open source SMTP compatible email server. Versions of maddy prior to 0.5.4 do not implement password expiry or account expiry checking when authenticating using PAM. Users are advised to upgrade. Users unable to upgrade should manually remove expired accounts via existing filtering mechanisms.
Severity ?
6.3 (Medium)
Assigner
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CVE-2021-42583 (GCVE-0-2021-42583)
Vulnerability from cvelistv5 – Published: 2021-12-28 18:12 – Updated: 2024-08-04 03:38
VLAI?
Summary
A Broken or Risky Cryptographic Algorithm exists in Max Mazurov Maddy before 0.5.2, which is an unnecessary risk that may result in the exposure of sensitive information.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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"value": "A Broken or Risky Cryptographic Algorithm exists in Max Mazurov Maddy before 0.5.2, which is an unnecessary risk that may result in the exposure of sensitive information."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/foxcpp/maddy/blob/df40dce1284cd0fd0a9e8e7894029553d653d0a5/internal/auth/shadow/verify.go",
"refsource": "MISC",
"url": "https://github.com/foxcpp/maddy/blob/df40dce1284cd0fd0a9e8e7894029553d653d0a5/internal/auth/shadow/verify.go"
},
{
"name": "https://github.com/foxcpp/maddy/releases/tag/v0.5.2",
"refsource": "MISC",
"url": "https://github.com/foxcpp/maddy/releases/tag/v0.5.2"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-42583",
"datePublished": "2021-12-28T18:12:42.000Z",
"dateReserved": "2021-10-18T00:00:00.000Z",
"dateUpdated": "2024-08-04T03:38:49.354Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}