UBUNTU-CVE-2017-14102

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UBUNTU-CVE-2017-14102

Summary:

Details: MIMEDefang 2.80 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill `cat /pathname`" command, as demonstrated by the init-script.in and mimedefang-init.in scripts.

References: https://ubuntu.com/security/CVE-2017-14102, http://lists.roaringpenguin.com/pipermail/mimedefang/2017-August/038077.html, http://lists.roaringpenguin.com/pipermail/mimedefang/2017-August/038085.html, https://www.cve.org/CVERecord?id=CVE-2017-14102