This vulnerability only exists when AllowToUpdateStatsFromBrowser is
enabled, which is off by default.
The migrate parameter is passed to an open command without proper
sanitization, which would allow a remote attacker to issue commands
using a PIPE character '|'.
alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS
(msg:"BLEEDING-EDGE WEB CGI AWstats Migrate Command Attempt";
flow:established,to_server; uricontent:"/awstats.pl?"; nocase;
pcre:"/migrate\s*=\s*\|/Ui"; reference:bugtraq,17844;
classtype:web-application-attack; sid:59595959; rev:1; )
-Blake
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