Abers remotely

["Robert E. Lee" <robert () dyadsecurity com>]

On Mon, 19 Jun 2006 11:13:02 +1000
mikeiscool <michaelslists () gmail com> wrote:
> On 17 Jun 2006 19:27:42 -0000, 09Sparky () gmail com <09Sparky () gmail com> wrote:
> What is the best way or tool used to check SSL Versions?  I need to confirm whether or not a remote SSL Server is 
> outdated?

Not sure if this is what you had in mind or not, but if you're using a testing host with openssl and a shell, these 
scripts might be of use for you.  We wrote them to enumerate enabled ciphers for different ssl versions.  When you run 
it against a server, if you see a + sign for a cipher, then you know that cipher/ssl version is enabled on the remote 
server.

Sample usage:
$ ./openssl_enum_ssl3 72.14.207.99:443
- ADH-AES256-SHA
- DHE-RSA-AES256-SHA
- DHE-DSS-AES256-SHA
+ AES256-SHA at Server public key is 1024 bit
- ADH-AES128-SHA
...
Etc

=-=-=-=-=-=-=

$ cat openssl_enum_ssl2
#!/bin/sh

if [ "x${1}" = "x" ]
then
        cat <<EOF
Error: youll need to tell me what host you want me to check, use hostname:port as an argument
bye for now
EOF
        exit 1
fi

for g in `openssl ciphers 'ALL:eNULL' | tr ':' ' '`
do
        a=`echo -e 'GET / HTTP/1.1\r\nHost: localhost\r\n\r\n' | openssl s_client -ssl2 -connect ${1} -cipher $g 
2>/dev/null | egrep -i '(bit|bits)'`
        if [ "x$a" = "x" ]
        then
                echo - $g
        else
                echo + $g at $a
        fi
        #echo $? $g
done

=-=-=-=-=-=-=

$ cat openssl_enum_ssl3
#!/bin/sh

if [ "x${1}" = "x" ]
then
        cat <<EOF
Error: youll need to tell me what host you want me to check, use hostname:port as an argument
bye for now
EOF
        exit 1
fi

for g in `openssl ciphers 'ALL:eNULL' | tr ':' ' '`
do
        a=`echo -e 'GET / HTTP/1.1\r\nHost: localhost\r\n\r\n' | openssl s_client -ssl3 -connect ${1} -cipher $g 
2>/dev/null | egrep -i '(bit|bits)'`
        if [ "x$a" = "x" ]
        then
                echo - $g
        else
                echo + $g at $a
        fi
        #echo $? $g
done

=-=-=-=-=-=-=

$ cat openssl_enum_tls
#!/bin/sh

if [ "x${1}" = "x" ]
then
        cat <<EOF
Error: youll need to tell me what host you want me to check, use hostname:port as an argument
bye for now
EOF
        exit 1
fi

for g in `openssl ciphers 'ALL:eNULL' | tr ':' ' '`
do
        a=`echo -e 'GET / HTTP/1.1\r\nHost: localhost\r\n\r\n' | openssl s_client -tls1 -connect ${1} -cipher $g 
2>/dev/null | egrep -i '(bit|bits)'`
        if [ "x$a" = "x" ]
        then
                echo - $g
        else
                echo + $g at $a
        fi
        #echo $? $g
done

=-=-=-=-=-=-=

Robert

-- 
Robert E. Lee
Chief Information Officer
http://www.dyadsecurity.com
 
phone: (949) 394-2033
fax  : (949) 486-6601
email: robert () dyadsecurity com

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