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CVE-2023-27582— Full authentication bypass if SASL authorization username is specified

CVSS 9.1 · Critical EPSS 0.21% · P42
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I. Basic Information for CVE-2023-27582

Vulnerability Information
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Vulnerability Title
Full authentication bypass if SASL authorization username is specified
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Maddy Mail Server 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Maddy Mail Server是俄罗斯Max Mazurov个人开发者的一个可组合的多合一邮件服务器。 Maddy Mail Server 0.2.0版本至0.6.3之前版本存在安全漏洞，该漏洞源于允许用户绕过身份验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
foxcppmaddy >= 0.2.0 0.6.3 -

II. Public POCs for CVE-2023-27582

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III. Intelligence Information for CVE-2023-27582

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IV. Related Vulnerabilities

Same product: maddy
Same vendor: foxcpp
Same weakness: CWE-287

V. Comments for CVE-2023-27582

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