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imap-uw -- authentication bypass when CRAM-MD5 is enabled


The CRAM-MD5 authentication support of the University of Washington IMAP and POP3 servers contains a vulnerability that may allow an attacker to bypass authentication and impersonate arbitrary users. Only installations with CRAM-MD5 support configured are affected.



portaudit: imap-uw -- authentication bypass when CRAM-MD5 is enabled

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If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Officer. Refer to "FreeBSD Security Information" for more information.

Oliver Eikemeier <>