Improvement of anti-CSRF token extraction

This commit is contained in:
Miroslav Stampar 2018-09-18 22:05:52 +02:00
parent dd9bfd13f2
commit 8abae02111
4 changed files with 20 additions and 8 deletions

View file

@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
from lib.core.enums import OS
# sqlmap version (<major>.<minor>.<month>.<monthly commit>)
VERSION = "1.2.9.29"
VERSION = "1.2.9.30"
TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
@ -755,7 +755,7 @@ EVALCODE_KEYWORD_SUFFIX = "_KEYWORD"
NETSCAPE_FORMAT_HEADER_COOKIES = "# Netscape HTTP Cookie File."
# Infixes used for automatic recognition of parameters carrying anti-CSRF tokens
CSRF_TOKEN_PARAMETER_INFIXES = ("csrf", "xsrf")
CSRF_TOKEN_PARAMETER_INFIXES = ("csrf", "xsrf", "token")
# Prefixes used in brute force search for web server document root
BRUTE_DOC_ROOT_PREFIXES = {

View file

@ -207,7 +207,7 @@ def cmdLineParser(argv=None):
help="Parameter used to hold anti-CSRF token")
request.add_option("--csrf-url", dest="csrfUrl",
help="URL address to visit to extract anti-CSRF token")
help="URL address to visit for extraction of anti-CSRF token")
request.add_option("--force-ssl", dest="forceSSL", action="store_true",
help="Force usage of SSL/HTTPS")

View file

@ -948,15 +948,27 @@ class Connect(object):
return retVal
page, headers, code = Connect.getPage(url=conf.csrfUrl or conf.url, data=conf.data if conf.csrfUrl == conf.url else None, method=conf.method if conf.csrfUrl == conf.url else None, cookie=conf.parameters.get(PLACE.COOKIE), direct=True, silent=True, ua=conf.parameters.get(PLACE.USER_AGENT), referer=conf.parameters.get(PLACE.REFERER), host=conf.parameters.get(PLACE.HOST))
token = extractRegexResult(r"(?i)<input[^>]+\bname=[\"']?%s[\"']?[^>]*\bvalue=(?P<result>(\"([^\"]+)|'([^']+)|([^ >]+)))" % re.escape(conf.csrfToken), page or "")
token = extractRegexResult(r"(?i)<input[^>]+\bname=[\"']?%s\b[^>]*\bvalue=[\"']?(?P<result>[^>'\"]*)" % re.escape(conf.csrfToken), page or "")
if not token:
token = extractRegexResult(r"(?i)<input[^>]+\bvalue=(?P<result>(\"([^\"]+)|'([^']+)|([^ >]+)))[^>]+\bname=[\"']?%s[\"']?" % re.escape(conf.csrfToken), page or "")
token = extractRegexResult(r"(?i)<input[^>]+\bvalue=[\"']?(?P<result>[^>'\"]*)[\"']?[^>]*\bname=[\"']?%s\b" % re.escape(conf.csrfToken), page or "")
if not token:
match = re.search(r"%s[\"']:[\"']([^\"']+)" % re.escape(conf.csrfToken), page or "")
token = match.group(1) if match else None
if not token:
token = extractRegexResult(r"\b%s\s*[:=]\s*(?P<result>\w+)" % re.escape(conf.csrfToken), str(headers))
if not token:
token = extractRegexResult(r"\b%s\s*=\s*['\"]?(?P<result>[^;'\"]+)" % re.escape(conf.csrfToken), page or "")
if token:
match = re.search(r"String\.fromCharCode\(([\d+, ]+)\)", token)
if match:
token = "".join(chr(int(_)) for _ in match.group(1).replace(' ', "").split(','))
if not token:
if conf.csrfUrl != conf.url and code == httplib.OK:
if headers and "text/plain" in headers.get(HTTP_HEADER.CONTENT_TYPE, ""):