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mirror of https://github.com/munin-monitoring/contrib.git synced 2018-11-08 00:59:34 +01:00

[debsecan] Report fixed vulnerabilities, add config and doc

Signed-off-by: Olivier Mehani <shtrom@ssji.net>
This commit is contained in:
Olivier Mehani 2016-09-07 14:58:52 +10:00
parent 8277bf0ffe
commit a98ece4a97

View File

@ -1,16 +1,34 @@
#!/bin/sh
#
# Plugin to monitor the number of CVE vulnerabilities present on a Debian
# system (using debsecan). Might work on other distib, who knows...
#
# Inspiration of the moment 10/10/2007
#
# Nicolas BOUTHORS <nbouthors@nbi.fr> http://nbi.fr/
#
# Licence : Public Domain
#
#%# family=auto
#%# capabilities=autoconf
: << =cut
=head1 NAME
debsecan - Plugin to monitor the number of CVE vulnerabilities present on a Debian
system (using debsecan). Might work on other distib, who knows...
=head1 CONFIGURATION
[debsecan]
env.suite jessie
env.fixed_warn 1
env.fixed_critical 1000
=head1 AUTHORS
* Nicolas BOUTHORS <nbouthors@nbi.fr> http://nbi.fr/, Inspiration of the moment 10/10/2007
* Olivier Mehani <shtrom+munin@ssji.net>, 2016
=head1 LICENSE
Public Domain
=head1 MAGIC MARKERS
%# family=auto
%# capabilities=autoconf
=cut
# Auto enable if we have debsecan only
if [ "$1" = "autoconf" ] ; then
@ -27,9 +45,19 @@ if [ ! -x /usr/bin/debsecan ]; then
exit 1
fi
# Determine suite from filename...
SUITE=`echo $0 | sed 's/.*_//'`
if [ ${SUITE} = ${0} ]; then
# ...or fall back onto configuration in environment
SUITE=${suite:-sid}
fi
FIXEDWARN=${fixed_warning:-1}
FIXEDCRIT=${fixed_critical:-1000}
CVERE="\(\(CVE\|TMP\)[-0-9A-Fa-f]\+\)"
if [ "$1" = "config" ] ; then
cat <<EOF_
graph_title DebSecan : vulnerabilities
graph_title DebSecan : vulnerabilities for ${SUITE}
graph_args -l 0 --base 1000
graph_vlabel number of CVE
graph_category system
@ -59,28 +87,36 @@ other.type GAUGE
other.draw AREASTACK
other.min 0
other.info The number of CVEs with unspecified priority
fixed.label fixed
fixed.type GAUGE
fixed.draw LINE2
fixed.min 0
fixed.info The number of CVEs fixed by available updates
fixed.warning ${FIXEDWARN}
fixed.critical ${FIXEDCRIT}
EOF_
exit 0
fi
CVERE="\(\(CVE\|TMP\)[-0-9A-Fa-f]\+\)"
CVECOUNTRE="s/^.*\([0-9]\+\) \+\([^ ]\+\)/\2 (\1)/"
CVECOUNTRE="s/^ *\([0-9]\+\) \+\([^ ]\+\)/\2 (\1)/"
OUT=`mktemp -t debsecan.XXXXXX`
HIGH=`mktemp -t debsecan.XXXXXX`
MEDIUM=`mktemp -t debsecan.XXXXXX`
LOW=`mktemp -t debsecan.XXXXXX`
OTHER=`mktemp -t debsecan.XXXXXX`
debsecan 2> /dev/null > ${OUT}
FIXED=`mktemp -t debsecan.XXXXXX`
debsecan --suite ${SUITE} 2> /dev/null > ${OUT}
grep 'high urgency' ${OUT} > ${HIGH}
grep 'medium urgency' ${OUT} > ${MEDIUM}
grep 'low urgency)' ${OUT} > ${LOW}
grep -v '\(low\|medium\|high\) urgency' ${OUT} > ${OTHER}
grep '(fixed' ${OUT} > ${FIXED}
high=`cat ${HIGH} | wc -l`
medium=`cat ${MEDIUM} | wc -l`
low=`cat ${LOW} | wc -l`
other=`cat ${OTHER} | wc -l`
fixed=`cat ${FIXED} | wc -l`
cat <<EOF
high.value $high
@ -91,6 +127,8 @@ low.value $low
low.extinfo `echo $(cut -f 2 -d" " ${LOW} | uniq -c | sort -nr | sed "${CVECOUNTRE}")`
other.value $other
other.extinfo `echo $(cut -f 2 -d" " ${OTHER} | uniq -c | sort -nr | sed "${CVECOUNTRE}")`
fixed.value $fixed
fixed.extinfo `echo $(cut -f 2 -d" " ${FIXED} | uniq -c | sort -nr | sed "${CVECOUNTRE}")`
EOF
rm -f ${OUT} ${HIGH} ${MEDIUM} ${LOW} ${OTHER}
rm -f ${OUT} ${HIGH} ${MEDIUM} ${LOW} ${FIXED} ${OTHER}