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Fetchmail Bounced Message Denial of Service Vulnerability
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Secunia Advisory:
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SA18571
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Release Date:
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2006-01-23
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Popularity:
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7,547 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: | Fetchmail 6.x
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| CVE reference: | CVE-2006-0321
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Description:
A vulnerability has been reported in Fetchmail, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to incorrect freeing of an invalid pointer when bouncing a message to the originator or to the local postmaster. This can be exploited to crash Fetchmail.
The vulnerability has been reported in versions 6.3.x prior to 6.3.2 and in release candidates 6.3.2-rc1, -rc2, and -rc3.
Solution:
Update to version 6.3.2 or later.
http://developer.berlios.de/project/showfiles.php?group_id=1824
NOTE: The vendor reports that fetchmail 6.2.x has reached end of life.
Provided and/or discovered by:
The vendor credits Nathaniel W. Turner.
Original Advisory:
http://fetchmail.berlios.de/fetchmail-SA-2006-01.txt
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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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