CVE-2023-27582

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.

CVSS v3.0 9.8 CRITICAL

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/foxcpp/maddy/security/advisories/GHSA-4g76-w3xw-2x6w	Patch Vendor Advisory
https://github.com/foxcpp/maddy/releases/tag/v0.6.3	Release Notes
https://github.com/foxcpp/maddy/commit/55a91a37b71210f34f98f4d327c30308fe24399a	Patch
https://github.com/foxcpp/maddy/commit/9f58cb64b39cdc01928ec463bdb198c4c2313a9c	Patch

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Configurations

Configuration 1 (hide)

cpe:2.3:a:maddy_project:maddy:*:*:*:*:*:*:*:*

Information

Published : 2023-03-13 15:15

Updated : 2023-03-17 09:20

NVD link : CVE-2023-27582

Mitre link : CVE-2023-27582

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

maddy_project

maddy

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