Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.1%
CVSS Severity
CVSS v3 Score 9.1
References
- https://github.com/foxcpp/maddy/commit/55a91a37b71210f34f98f4d327c30308fe24399a
- https://github.com/foxcpp/maddy/commit/9f58cb64b39cdc01928ec463bdb198c4c2313a9c
- https://github.com/foxcpp/maddy/releases/tag/v0.6.3
- https://github.com/foxcpp/maddy/security/advisories/GHSA-4g76-w3xw-2x6w
- https://github.com/foxcpp/maddy/commit/55a91a37b71210f34f98f4d327c30308fe24399a
- https://github.com/foxcpp/maddy/commit/9f58cb64b39cdc01928ec463bdb198c4c2313a9c
- https://github.com/foxcpp/maddy/releases/tag/v0.6.3
- https://github.com/foxcpp/maddy/security/advisories/GHSA-4g76-w3xw-2x6w
Products affected by CVE-2023-27582
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cpe:2.3:a:maddy_project:maddy:0.2.0
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cpe:2.3:a:maddy_project:maddy:0.2.1
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cpe:2.3:a:maddy_project:maddy:0.3.0
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cpe:2.3:a:maddy_project:maddy:0.3.1
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cpe:2.3:a:maddy_project:maddy:0.3.2
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cpe:2.3:a:maddy_project:maddy:0.3.3
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cpe:2.3:a:maddy_project:maddy:0.4.0
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cpe:2.3:a:maddy_project:maddy:0.4.1
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cpe:2.3:a:maddy_project:maddy:0.4.2
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cpe:2.3:a:maddy_project:maddy:0.4.3
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cpe:2.3:a:maddy_project:maddy:0.4.4
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cpe:2.3:a:maddy_project:maddy:0.5.0
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cpe:2.3:a:maddy_project:maddy:0.5.1
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cpe:2.3:a:maddy_project:maddy:0.5.2
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cpe:2.3:a:maddy_project:maddy:0.5.3
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cpe:2.3:a:maddy_project:maddy:0.5.4
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cpe:2.3:a:maddy_project:maddy:0.6.
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cpe:2.3:a:maddy_project:maddy:0.6.0
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cpe:2.3:a:maddy_project:maddy:0.6.1
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cpe:2.3:a:maddy_project:maddy:0.6.2