Re: tls-ticketbleed script fails scanning all ports

[Daniel Miller <bonsaiviking () gmail com>]

Frank,

tls-ticketbleed requires root privileges in order to run. The portrule
of the script checks for this and safely quits if you don't have
sufficient privileges, but using "+" bypasses the portrule. In this
case, it falls to pcap_open to fail, because without root privileges,
host.interface is empty (only root can route over specific
interfaces).

Dan

On Wed, Jun 28, 2017 at 4:22 AM, Frank Büttner
<frank.buettner () mdc-berlin de> wrote:
> Hello,
> using the tls-ticketbleed in the all port mode of nmap the script fails.
>
> running nmap  --script tls-ticketbleed -Pn -p 443 host
> will run fine.
> But call nmap  -d --script +tls-ticketbleed -Pn -p 443 host
> will result in:
> NSE: Starting tls-ticketbleed against host (address).
> NSE: tls-ticketbleed against host (address) threw an error!
> /usr/bin/../share/nmap/scripts/tls-ticketbleed.nse:118: bad argument #1
> to 'pcap_open' (string expected, got nil)
> stack traceback:
>         [C]: in method 'pcap_open'
>         /usr/bin/../share/nmap/scripts/tls-ticketbleed.nse:118: in upvalue
> 'is_vuln'
>         /usr/bin/../share/nmap/scripts/tls-ticketbleed.nse:350: in function
> </usr/bin/../share/nmap/scripts/tls-ticketbleed.nse:321>
>         (...tail calls...)
>
> OS: CentOS 7.3
> Nmap: 7.50
>
> Thanks for any help.
> Frank
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