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148 lines
3.9 KiB
Bash
Executable File
148 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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: << =cut
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=head1 NAME
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debsecan - Plugin to monitor the number of CVE vulnerabilities present on a Debian
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system (using debsecan). Might work on other distib, who knows...
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=head1 CONFIGURATION
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[debsecan]
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env.suite jessie
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env.fixed_warn 1
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env.fixed_critical 1000
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env.remote_warn 1
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env.remote_critical 10
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=head1 AUTHORS
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* Nicolas BOUTHORS <nbouthors@nbi.fr> http://nbi.fr/, Inspiration of the moment 10/10/2007
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* Olivier Mehani <shtrom+munin@ssji.net>, 2016
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=head1 LICENSE
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Public Domain
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=head1 MAGIC MARKERS
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%# family=auto
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%# capabilities=autoconf
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=cut
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# Auto enable if we have debsecan only
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if [ "$1" = "autoconf" ] ; then
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if [ -x /usr/bin/debsecan ]; then
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echo yes
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else
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echo 'no (/usr/bin/debsecan not found)'
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fi
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exit 0
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fi
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# Fail if we don't have debsecan
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if [ ! -x /usr/bin/debsecan ]; then
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echo 'error: /usr/bin/debsecan not found' >&2
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exit 1
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fi
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# Determine suite from filename...
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SUITE=$(echo "$0" | sed 's/.*_//')
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if [ "${SUITE}" = "${0}" ]; then
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# ...or fall back onto configuration in environment
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SUITE=${suite:-sid}
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fi
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FIXEDWARN=${fixed_warning:-1}
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FIXEDCRIT=${fixed_critical:-1000}
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REMOTEWARN=${remote_warning:-1}
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REMOTECRIT=${remote_critical:-10}
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if [ "$1" = "config" ] ; then
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cat <<EOF_
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graph_title DebSecan : vulnerabilities for ${SUITE}
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graph_args -l 0 --base 1000
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graph_vlabel number of CVE
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graph_category system
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graph_period second
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graph_info This graph show the number of known vulnerabilities present on your system. Use debsecan to see details.
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remote.label remote
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remote.colour FF0000
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remote.type GAUGE
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remote.draw AREASTACK
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remote.min 0
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remote.info The number of remotely exploitable CVEs with any priority
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remote.warning ${REMOTEWARN}
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remote.critical ${REMOTECRIT}
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high.label high
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high.colour DD2200
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high.type GAUGE
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high.draw AREASTACK
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high.min 0
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high.info The number of CVEs marked high priority
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medium.label medium
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medium.colour FFAA00
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medium.type GAUGE
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medium.draw AREASTACK
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medium.min 0
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medium.info The number of CVEs marked medium priority
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low.label low
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low.colour 0000FF
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low.type GAUGE
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low.draw AREASTACK
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low.min 0
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low.info The number of CVEs marked low priority
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other.label other
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other.colour 00AAFF
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other.type GAUGE
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other.draw AREASTACK
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other.min 0
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other.info The number of CVEs with unspecified priority
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fixed.label fixed
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fixed.type GAUGE
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fixed.draw LINE2
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fixed.min 0
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fixed.info The number of CVEs fixed by available updates
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fixed.warning ${FIXEDWARN}
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fixed.critical ${FIXEDCRIT}
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EOF_
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exit 0
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fi
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ALL=$(debsecan --suite "${SUITE}" 2> /dev/null)
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REMOTE=$(echo "$ALL" | grep 'remotely')
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NONREMOTE=$(echo "$ALL" | grep -v 'remotely')
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HIGH=$(echo "${NONREMOTE}" | grep 'high urgency')
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MEDIUM=$(echo "${NONREMOTE}" | grep 'medium urgency')
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LOW=$(echo "${NONREMOTE}" | grep 'low urgency')
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OTHER=$(echo "${NONREMOTE}" | grep -v 'urgency')
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FIXED=$(echo "${ALL}" | grep '(fixed')
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remote_count=$(echo "${REMOTE}" | wc -l)
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high_count=$(echo "${HIGH}" | wc -l)
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medium_count=$(echo "${MEDIUM}" | wc -l)
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low_count=$(echo "${LOW}" | wc -l)
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other_count=$(echo "${OTHER}" | wc -l)
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fixed_count=$(echo "${FIXED}" | wc -l)
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CVECOUNTRE="s/^ *\([0-9]\+\) \+\([^ ]\+\)/\2 (\1)/"
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# shellcheck disable=SC2005 disable=SC2046
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# The nested $(echo ...)s are needed to yet the newlines
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cat <<EOF
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remote.value $remote_count
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remote.extinfo $(echo $(echo "${REMOTE}" | cut -f 2 -d " "| uniq -c | sort -nr | sed "${CVECOUNTRE}"))
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high.value $high_count
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high.extinfo $(echo $(echo "${HIGH}" | cut -f 2 -d " " | uniq -c | sort -nr | sed "${CVECOUNTRE}"))
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medium.value $medium_count
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medium.extinfo $(echo $(echo "${MEDIUM}" | cut -f 2 -d " " | uniq -c | sort -nr | sed "${CVECOUNTRE}"))
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low.value $low_count
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low.extinfo $(echo $(echo "${LOW}" | cut -f 2 -d " " | uniq -c | sort -nr | sed "${CVECOUNTRE}"))
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other.value $other_count
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other.extinfo $(echo $(echo "${OTHER}" | cut -f 2 -d " " | uniq -c | sort -nr | sed "${CVECOUNTRE}"))
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fixed.value $fixed_count
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fixed.extinfo $(echo $(echo "${FIXED}" | cut -f 2 -d " " | uniq -c | sort -nr | sed "${CVECOUNTRE}"))
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EOF
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