A vulnerability has been reported in Evolution, which can be exploited by malicious people to conduct spoofing attacks.
The vulnerability is caused due to the application considering an altered message signed by the S/MIME signature of an original message valid. This can be exploited to send an apparently valid S/MIME message with a signature obtained via e.g. a MitM (Man-in-the-Middle) attack.
Solution: Update to Evolution Data Server 2.26.2.
Provided and/or discovered by: Reported by Joachim Breitner in a Debian bug report.
Original Advisory: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508479
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Subject: Evolution S/MIME Signed Message Integrity Vulnerability
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