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.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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. (CVE-2023-27582)

ID	Name	Product	Family	Severity
436218	Alpine: multiple maddy packages: security update to 0.6.3-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
436218	Alpine: multiple maddy packages: security update to 0.6.3-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
410167	SCA: security update for github.com/foxcpp/maddy (GHSA-4g76-w3xw-2x6w)	Tenable Cloud Security	SCA Checks	critical
410167	SCA: security update for github.com/foxcpp/maddy (GHSA-4g76-w3xw-2x6w)	Tenable Self-Hosted Container Security	SCA Checks	critical

Detections

Analytics

CVE-2023-27582

critical

Tenable Plugins

critical

critical

critical

critical