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from core.vectors import PhpCode, ModuleExec
from core.module import Module
from core import messages
import re
class Phpconf(Module):
"""Audit PHP configuration."""
def init(self):
self.register_info(
{
'author': [
'Emilio Pinna'
],
'license': 'GPLv3'
}
)
def _check_user(self):
user = ModuleExec('system_info', ['-info', 'whoami']).load_result_or_run('whoami')
if not user: return messages.module_audit_phpconf.error
result = user
if 'win' in self.os_type: result += ': ' + messages.module_audit_phpconf.user_win_admin
elif user == 'root': result += ': ' + messages.module_audit_phpconf.user_nix_root
return result
def _check_openbasedir(self):
open_basedir = ModuleExec('system_info', ['-info', 'open_basedir']).load_result_or_run('open_basedir')
if not open_basedir: return messages.module_audit_phpconf.basedir_unrestricted
dir_sep = ModuleExec('system_info', ['-info', 'dir_sep']).load_result_or_run('dir_sep')
if not self.os_type or not dir_sep: return messages.module_audit_phpconf.error
path_sep = ';' if 'win' in self.os_type else ':'
paths = open_basedir.split(path_sep)
result = ''
for path in paths:
result += path + ': '
if not path.endswith(dir_sep): result += ' ' + messages.module_audit_phpconf.basedir_no_slash
elif path == '.': result += ' ' + messages.module_audit_phpconf.basedir_dot
result += '\n'
return result[:-1]
def _check_features(self):
features = [
'expose_php',
'file_uploads',
'register_globals',
'allow_url_fopen',
'display_errors',
'enable_dl',
'safe_mode',
'magic_quotes_gpc',
'allow_url_include',
'session.use_trans_sid'
]
feat_found = PhpCode(
"""foreach ( Array("${ '", "'.join(features) }") as $f) if((bool)ini_get($f)) print($f. "\n");"""
).run({
'features': features
})
result = []
if feat_found:
for feat in feat_found.split('\n'):
feat_msg = 'feat_' + re.sub('[^a-zA-Z_]', '_', feat)
if hasattr(messages.module_audit_phpconf, feat_msg):
result.append((feat, getattr(messages.module_audit_phpconf, feat_msg)))
return result
def _check_classes(self):
classes = [
'splFileObject',
'COM',
'Java'
]
class_found = PhpCode(
"""foreach ( Array("${ '", "'.join(classes) }") as $f) if((bool)class_exists($f)) print($f. "\n");"""
).run({
'classes': classes
})
result = []
if class_found:
for class_name in class_found.split('\n'):
class_msg = 'class_' + re.sub('[^a-zA-Z_]', '_', class_name)
if hasattr(messages.module_audit_phpconf, class_msg):
result.append((class_name, getattr(messages.module_audit_phpconf, class_msg)))
return result
def _check_functions(self):
functions = {
'info': [
'apache_get_modules',
'apache_get_version',
'apache_getenv',
'get_loaded_extensions',
'phpinfo',
'phpversion',
],
'files': [
'chgrp',
'chmod',
'chown',
'copy',
'link',
'mkdir',
'rename',
'rmdir',
'symlink',
'touch',
'unlink',
'posix_mkfifo'
],
'log': [
'openlog',
'syslog',
'debugger_off',
'debugger_on',
'closelog'
],
'proc_execution': [
'exec',
'passthru',
'pcntl_exec',
'popen',
'proc_open',
'shell_exec',
'system',
'dotnet_load'
],
'proc_manipulation': [
'apache_child_terminate',
'apache_note',
'apache_setenv',
'dl',
'proc_close',
'proc_get_status',
'proc_terminate',
'proc_nice',
'putenv',
'virtual',
'posix_kill',
'posix_setpgid',
'posix_setsid',
'posix_setuid',
'runkit_function_rename'
]
}
result = []
for ftype, flist in functions.items():
func_found = PhpCode((
"foreach ( Array(\"${ '\", \"'.join(functions) }\") as $f) " +
"if(function_exists($f)&&is_callable($f)) print($f. \"\\n\");"
)).run({
'functions': flist
})
if func_found:
for func_name in func_found.split('\n'):
type_msg = 'func_' + re.sub('[^a-zA-Z_]', '_', ftype)
if hasattr(messages.module_audit_phpconf, type_msg):
msg = getattr(messages.module_audit_phpconf, type_msg)
if len(func_name) == 0:
msg = ''
result.append((func_name, msg))
return result
def run(self, **kwargs):
self.os_type = ModuleExec('system_info', ['-info', 'os']).load_result_or_run('os')
self.php_version = ModuleExec('system_info', ['-info', 'php_version']).load_result_or_run('php_version')
results = [
('Operating System',
self.os_type if self.os_type else 'Undetected'),
('PHP version',
self.php_version if self.php_version else 'Undetected'),
('User',
self._check_user()),
('open_basedir',
self._check_openbasedir())
] + self._check_features() + self._check_classes() + self._check_functions()
return results
|
