[asterisk-dev] Dialstring injection - security advisory release?

Matt Riddell lists at venturevoip.com
Thu Feb 11 17:43:48 CST 2010


On 12/02/10 12:34 PM, Russell Bryant wrote:
> Someone has suggested that we could blacklist the '&' character.  Well,
> sure, we could have an option to do that ... but that's really only one
> example of the overall 'dialplan injection' vulnerability that we're
> talking about.  What about dialing "1234,,tT" to give yourself transfer
> permissions?  There are quite a number of possibilities.

Which was why I suggested an asterisk.conf variable to whitelist 
a-z,A-Z,0-9 for pattern matching :)

-- 
Cheers,

Matt Riddell
Managing Director
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