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Dovecot Malformed Header Denial of Service Vulnerability
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Secunia Advisory:
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SA32479
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Release Date:
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2008-10-30
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Last Update:
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2008-11-06
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Popularity:
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1,229 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Dovecot 1.x
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| CVE reference: | CVE-2008-4907
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Description:
A vulnerability has been reported in Dovecot, which can be exploited by malicious people to cause a DoS (Denial of Service).
An error exists when parsing certain mail headers. This can be exploited to e.g. prevent a user from accessing the mailbox by sending specially crafted emails to a vulnerable system.
Successful exploitation requires that the client uses the "FETCH ENVELOPE" command.
Solution:
Update to version 1.1.6.
http://www.dovecot.org/releases/1.1/dovecot-1.1.6.tar.gz
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2008-11-06: Added CVE reference.
Original Advisory:
http://www.dovecot.org/list/dovecot-news/2008-October/000089.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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