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Sicherheit: Ausführen von Code mit höheren Privilegien in MIMEDefang
Aktuelle Meldungen Distributionen
Name: Ausführen von Code mit höheren Privilegien in MIMEDefang
ID: FEDORA-2017-77e8bc720a
Distribution: Fedora
Plattformen: Fedora 26
Datum: Mi, 13. September 2017, 06:26
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14102

Originalnachricht

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Fedora Update Notification
FEDORA-2017-77e8bc720a
2017-09-12 20:12:34.166487
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Name : mimedefang
Product : Fedora 26
Version : 2.81
Release : 1.fc26
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.

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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.
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References:

[ 1 ] Bug #1487543 - CVE-2017-14102 mimedefang: Privilege escalation via PID
file manipulation
https://bugzilla.redhat.com/show_bug.cgi?id=1487543
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade mimedefang' at the command line.
For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project 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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