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Cyrus IMAP pre-authentication heap overflow vulnerability

Description:

In December 2002, Timo Sirainen reported:

Cyrus IMAP server has a a remotely exploitable pre-login buffer overflow. [...] Note that you don't have to log in before exploiting this, and since Cyrus runs everything under one UID, it's possible to read every user's mail in the system.

It is unknown whether this vulnerability is exploitable for code execution on FreeBSD systems.

References:

Affects:

portaudit: Cyrus IMAP pre-authentication heap overflow vulnerability

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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 <eik@FreeBSD.org>