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CVE-2023-27582GO-2023-1630GHSA-4G76-W3XW-2X6W

Full authentication bypass if SASL authorization username is specified

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 0.6.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • foxcpp maddy

    >= 0.2.0 0.6.3

  • github.com/foxcpp/maddyGo

    From 0.2.0 · fixed in 0.6.3

References 4

GitHub · foxcpp/maddy