Submitted by KeesCook on Fri, 2006-06-09 12:05
Referenced CVEs:
CVE-2006-2659
Description:
===========================================================
Ubuntu Security Notice USN-294-1 June 09, 2006
courier vulnerability
CVE-2006-2659
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A security issue affects the following Ubuntu releases:
Ubuntu 5.04
Ubuntu 5.10
Ubuntu 6.06 LTS
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 5.04:
courier-mta 0.47-3ubuntu1.5
Ubuntu 5.10:
courier-mta 0.47-3ubuntu7.2
Ubuntu 6.06 LTS:
courier-mta 0.47-13ubuntu5.1
In general, a standard system upgrade is sufficient to effect the
necessary changes.
Details follow:
A Denial of Service vulnerability has been found in the function for
encoding email addresses. Addresses containing a '=' before the '@'
character caused the Courier to hang in an endless loop, rendering the
service unusable.


