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104 lines
2.1 KiB
104 lines
2.1 KiB
#!/usr/bin/env bash |
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port=443 |
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vulnerability="" |
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host="" |
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openssl="$(which openssl)" |
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die(){ |
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echo "$@" >&2 |
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exit 1 |
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} |
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print_help(){ |
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echo "Attempts to connect using different tls versions" |
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echo "" |
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echo "verifySSL [options] <host>" |
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echo "" |
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echo "-p | --port Port number (default 443)" |
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echo "-v | --vulnerability The vulnerability to test" |
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echo "--list List the vulnerabilities that can be tested" |
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} |
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list_vulnerabilites(){ |
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echo "Beast" |
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} |
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check-beast(){ |
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local tls1 |
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local ssl3 |
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local tmpfile="$(mktemp)" |
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# In order to test beast, you need to have a cbc cipher and tls1 or sslv3 |
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echo "" | $openssl s_client -tls1 -connect "${host}:${port}" > /dev/null 2>&1 |
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tls1="$?" |
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echo "" | $openssl s_client -ssl3 -connect "${host}:${port}" > /dev/null 2>&1 |
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ssl3="$?" |
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if [ $tls1 -gt 0 ] && [ $ssl3 -gt 0 ]; then |
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die "Neither TLSv1 or SSLv3 connected successfully so there is no need to test the ciphers" |
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fi |
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$openssl ciphers -v | grep -i cbc | cut -d' ' -f1 | while read cipher; do |
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echo "Testing $cipher" >&2 |
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if [ $tls1 -eq 0 ]; then |
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echo "openssl s_client -tls1 -cipher $cipher -connect ${host}:${port}" >> "$tmpfile" |
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echo "" | $openssl s_client -tls1 -cipher "$cipher" -connect "${host}:${port}" >> "$tmpfile" 2>&1 |
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if [ "$?" -eq 0 ]; then |
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cat "$tmpfile" |
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fi |
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rm "$tmpfile" |
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fi |
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if [ $ssl3 -eq 0 ]; then |
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echo "openssl s_client -ssl3 -cipher $cipher -connect ${host}:${port}" >> "$tmpfile" |
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echo "" | $openssl s_client -ssl3 -cipher "$cipher" -connect "${host}:${port}" >> "$tmpfile" 2>&1 |
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if [ "$?" -eq 0 ]; then |
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cat "$tmpfile" |
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fi |
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rm "$tmpfile" |
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fi |
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done |
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} |
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while [ "$#" -gt 0 ]; do |
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case "$1" in |
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-p|--port) |
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port="$2" |
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shift; shift |
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;; |
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-v|--vulnerability) |
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vulnerability="$2" |
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shift; shift |
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;; |
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--openssl) |
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openssl="$2" |
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shift;shift |
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;; |
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-h|--help) |
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print_help |
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exit 0 |
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;; |
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--list) |
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list_vulnerabilites |
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exit 0 |
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;; |
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*) |
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host="$1" |
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shift |
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;; |
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esac |
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done |
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if [ -z "$host" ]; then |
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die "No host provided" |
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fi |
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case "$(echo "$vulnerability" | tr '[:upper:]' '[:lower:]')" in |
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beast) |
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check-beast |
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;; |
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*) |
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die "Unknown vulnerability $vulnerability" |
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;; |
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esac
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