Incomplete blacklist vulnerability in util.c in foomatic-rip in cups-filters 1.0.42 before 1.2.0 and in foomatic-filters in Foomatic 4.0.x allows remote attackers to execute arbitrary commands via ` (backtick) characters in a print job.Referenceshttp://www.ubuntu.com/usn/USN-2831-1http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlhttp://www.securityfocus.com/bid/78524https://lists.debian.org/debian-printing/2015/11/msg00020.htmlhttp://www.ubuntu.com/usn/USN-2831-2http://bzr.linuxfoundation.org/loggerhead/openprinting/cups-filters/annotate/head:/NEWShttp://www.debian.org/security/2015/dsa-3429https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=806886http://bzr.linuxfoundation.org/loggerhead/openprinting/cups-filters/revision/7406http://rhn.redhat.com/errata/RHSA-2016-0491.htmlhttps://lists.debian.org/debian-printing/2015/12/msg00001.htmlhttp://lists.opensuse.org/opensuse-updates/2016-01/msg00065.htmlhttp://www.debian.org/security/2015/dsa-3411
