-------------------------------------------------------------------------------- Fedora EPEL Update Notification FEDORA-EPEL-2017-dadbc43983 2017-09-19 20:01:29.762406 --------------------------------------------------------------------------------
Name : mimedefang Product : Fedora EPEL 7 Version : 2.81 Release : 1.el7 URL : https://mimedefang.org/ Summary : E-Mail filtering framework using Sendmail's Milter interface Description : MIMEDefang is an e-mail filter program which works with Sendmail 8.12 and later. It filters all e-mail messages sent via SMTP. MIMEDefang splits multi-part MIME messages into their components and potentially deletes or modifies the various parts. It then reassembles the parts back into an e-mail message and sends it on its way.
There are some caveats you should be aware of before using MIMEDefang. MIMEDefang potentially alters e-mail messages. This breaks a "gentleman's agreement" that mail transfer agents do not modify message bodies. This could cause problems, for example, with encrypted or signed messages.
-------------------------------------------------------------------------------- Update Information:
MIMEDefang 2.81 =============== * Don't barf if the installed version of Sys::Syslog has a developer tag added (like 0.33_01 on Debian Stretch). * Make mimedefang and mimedefang-multiplexor write their PID files as root to avoid an unprivileged user tampering with the pidfiles. Thanks to Michael Orlitzky for pointing this issue out. -------------------------------------------------------------------------------- References:
[ 1 ] Bug #1487543 - CVE-2017-14102 mimedefang: Privilege escalation via PID file manipulation https://bugzilla.redhat.com/show_bug.cgi?id=1487543 --------------------------------------------------------------------------------
This update can be installed with the "yum" update programs. Use su -c 'yum update mimedefang' at the command line. For more information, refer to "YUM", available at https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/htm...
All packages are signed with the Fedora EPEL GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/keys --------------------------------------------------------------------------------
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