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https://github.com/drwetter/testssl.sh.git
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F5 cookie detection works for testcases. Output needs to be worked on
This commit is contained in:
Dirk
parent
3e69304e6d
commit
3abbddbad7
145
testssl.sh
145
testssl.sh
@ -2084,6 +2084,138 @@ run_application_banner() {
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return 0
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}
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# arg1: IP:port, arg2: what kind of cookie, arg3: cookiename or whole line
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output() {
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printf "%-48s %-38s %-0s%-0s\n" " $1" "| $2" "| ${3}=" "$4"
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}
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# first some conversion functions, see
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# description: https://github.com/dnkolegov/bigipsecurity
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# meta code: https://support.f5.com/csp/article/K6917
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# code: https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/f5_bigip_cookie_disclosure.rb
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# code: http://penturalabs.wordpress.com/2011/03/29/how-to-decode-big-ip-f5-persistence-cookie-values/
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hex2ip() {
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debugme echo "$1"
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echo $((16#${1:0:2})).$((16#${1:2:2})).$((16#${1:4:2})).$((16#${1:6:2}))
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}
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hex2ip6() {
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debugme echo "$1"
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echo "[${1:0:4}:${1:4:4}:${1:8:4}:${1:12:4}.${1:16:4}:${1:20:4}:${1:24:4}:${1:28:4}]"
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}
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determine_routeddomain() {
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local tmp
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tmp="${1%%o*}"
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echo "${tmp/rd/}"
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}
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ip_oldstyle() {
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local tmp
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local a b c d
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tmp="${1/%.*}" # until first dot
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tmp="$(printf "%x8" "$tmp")" # convert the whole thing to hex, now back to ip (reversed notation:
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tmp="$(hex2ip $tmp)" # transform to ip with reversed notation
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IFS="." read -r a b c d <<< "$tmp" # reverse it
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echo $d.$c.$b.$a
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}
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port_decode() {
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local tmp
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tmp="${1/.0000/}" # to be sure remove trailing zeros with a dot
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tmp="${tmp#*.}" # get the port
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tmp="$(printf "%04x" "${tmp}")" # to hex
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if [ ${#tmp} -eq 4 ] ; then
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:
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elif [ ${#tmp} -eq 3 ]; then # fill it up with leading zeros if needed
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tmp=0{$tmp}
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elif [ ${#tmp} -eq 2 ]; then
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tmp=00{$tmp}
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fi
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echo $((16#${tmp:2:2}${tmp:0:2})) # reverse order and convert it from hex to dec
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}
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# arg1: multiline string w cookies
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bigip_check() {
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local allcookies="$1"
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local ip port cookievalue cookiename
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local savedcookies=""
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local i=0
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# taken from https://github.com/drwetter/F5-BIGIP-Decoder, more details see there
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debugme echo -e "all cookies: >> $allcookies <<\n"
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# first non-default routed domains --> routed domains
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while true; do IFS='=' read cookiename cookievalue
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[[ -z "$cookievalue" ]] && break
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cookievalue=${cookievalue/;/}
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debugme echo $cookiename : $cookievalue
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grep -q -E '[0-9]{9,10}\.[0-9]{3,5}\.0000' <<< "$cookievalue" && \
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ip="$(ip_oldstyle "$cookievalue")" && \
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port="$(port_decode $cookievalue)" && \
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output "${ip}:${port}" "default IPv4 pool members" "$cookiename" "$cookievalue" && \
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savedcookies="${savedcookies} ${cookiename}=${cookievalue}\n" && \
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i=$((i +1)) && \
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continue
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grep -q -E '^rd[0-9]{1,2}o0{20}f{4}[a-f0-9]{8}o[0-9]{1,5}' <<< "$cookievalue" && \
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routed_domain="$(determine_routeddomain "$cookievalue")" && \
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offset=$(( 2 + ${#routed_domain} + 1 + 24)) && \
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port="${cookievalue##*o}" && \
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ip="$(hex2ip "${cookievalue:$offset:8}")" && \
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output "${ip}:${port}" "IPv4 pool members in routed domains" "$cookiename" "$cookievalue" && \
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savedcookies="${savedcookies} ${cookiename}=${cookievalue}\n" && \
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i=$((i +1)) && \
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continue
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grep -q -E '^vi[a-f0-9]{32}\.[0-9]{1,5}' <<< "$cookievalue" && \
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ip="$(hex2ip6 ${cookievalue:2:32})" && \
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port="${cookievalue##*.}" && \
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port=$(port_decode "$port") && \
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output "${ip}:${port}" "IPv6 pool members" "$cookiename" "$cookievalue" && \
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savedcookies="${savedcookies} ${cookiename}=${cookievalue}\n" && \
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i=$((i +1)) && \
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continue
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grep -q -E '^rd[0-9]{1,2}o[a-f0-9]{32}o[0-9]{1,5}' <<< "$cookievalue" && \
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routed_domain="$(determine_routeddomain "$cookievalue")" && \
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offset=$(( 2 + ${#routed_domain} + 1 )) && \
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port="${cookievalue##*o}" && \
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ip="$(hex2ip6 ${cookievalue:$offset:32})" && \
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output "${ip}:${port}" "IPv6 pool members in routed domains" "$cookiename" "$cookievalue" && \
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savedcookies="${savedcookies} ${cookiename}=${cookievalue}\n" && \
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i=$((i +1)) && \
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continue
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grep -q -E '^\!.*=$' <<< "$cookievalue" && \
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if [[ "${#cookievalue}" -eq 81 ]] ; then
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savedcookies="${savedcookies} ${cookiename}=${cookievalue:1:79}"
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i=$((i +1))
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fi
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continue
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done <<< "$allcookies"
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if [[ $DEBUG -ge 2 ]]; then
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echo "${i}x BIG IP cookie found"
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[[ $i -ne 0 ]] && echo -e "$savedcookies"
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fi
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### bottom line output
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nr_cookies=$(count_lines "$1")
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named_bigip=$(grep -ci 'BIGipServer' <<< "$allcookies")
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if [ -n $named_bigip ] ; then
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echo
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echo "In total:"
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echo "$nr_cookies cookies -- $((i)) F5 BIG IP cookie(s) of which $named_bigip cookie(s) named \"BIGipServer\""
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echo
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fi
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}
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run_cookie_flags() { # ARG1: Path
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local -i nr_cookies
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local -i nr_httponly nr_secure
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@ -2106,7 +2238,10 @@ run_cookie_flags() { # ARG1: Path
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pr_bold " Cookie(s) "
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grep -ai '^Set-Cookie' $HEADERFILE >$TMPFILE
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if [[ $? -eq 0 ]]; then
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if [[ $? -ne 0 ]]; then
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outln "(none issued at \"$1\")$msg302"
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fileout "cookie_count" "INFO" "No cookies issued at \"$1\"$msg302_"
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else
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nr_cookies=$(count_lines "$(cat $TMPFILE)")
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out "$nr_cookies issued: "
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fileout "cookie_count" "INFO" "$nr_cookies cookie(s) issued at \"$1\"$msg302_"
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@ -2137,12 +2272,10 @@ run_cookie_flags() { # ARG1: Path
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else
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fileout "cookie_httponly" "INFO" "$nr_secure/$nr_cookies cookie(s) issued at \"$1\" marked as HttpOnly$msg302_"
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fi
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out "$msg302"
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else
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out "(none issued at \"$1\")$msg302"
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fileout "cookie_count" "INFO" "No cookies issued at \"$1\"$msg302_"
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outln "$msg302"
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allcookies="$(awk '/[Ss][Ee][Tt]-[Cc][Oo][Oo][Kk][Ii][Ee]:/ { print $2 }' "$TMPFILE")"
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bigip_check "$allcookies"
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fi
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outln
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tmpfile_handle $FUNCNAME.txt
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return 0
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