checkpassword-reply in Dovecot before 2.2.7 performs setuid operations
to a user who is authenticating, which allows local users to bypass
authentication and access virtual email accounts by attaching to the
process and using a restricted file descriptor to modify account
information in the response to the dovecot-auth server.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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the CVE-ID was allocated or reserved, and does not
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discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
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