ov3rm4n Posted October 6, 2003 Share Posted October 6, 2003 http://www.securityfocus.com/archive/1/340124 ES5 info-------- EarthStation 5 (aka ES5, aka ESV) (http://www.earthstation5.com and http://forums2.es5.com/) is a P2P application first released about 6-12 months ago. The people behind ES5 claim that ES5 is the most secure P2P software in the world. They also claim that they are security experts, and that they have more than 15 million simultaneous users on-line 24/7. In comparison Kazaa, the most popular P2P application, only has about 4 million simultaneous users on-line at any given time of day. Malicious code -------------- There exists malicious code in ES5.exe's "Search Service" packet handler. By sending packet 0Ch, sub-function 07h to the "Search Service"'s IP:Port, a remote attacker could delete any file the user is sharing. If the remote attacker uses "filenames" with a relative path in them (eg. "..\..\..\WINDOWS\NOTEPAD.EXE"), the remote attacker could also delete files in eg. the windows and windows\system32 folders, or any other folder on the same partition as any of the shared folders. Since most users using Windows are in the Administrators group, a remote attacker could also delete the C:\BOOT.INI file which is a required boot file used by ntldr. IMPORTANT: This is not a bug! They intentionally added this code to ES5. Vulnerabilities --------------- There also exists a lot of other vulnerabilities in ES5 (eg. DoS attacks, buffer overflow bugs, and so on), but these all seem to be unintentional. Another advisory may have more info on these vulnerabilities, but I'm not their beta tester so don't hold your breath. Conclusion ---------- The people behind ES5 have intentionally added malicious code to ES5. If you have followed the ES5 discussions on message boards and read what the ES5 people have said and done (eg. DoS attacking BitTorrent sites), this comes as no surprise. The question then is "why did they do it?" I'm sure they won't tell us, but here's a theory: They could be working for the RIAA, MPAA, or a similar organization. Once they have enough users on their ES5 network, they would start deleting all copyrighted files they own which their users are sharing. The users wouldn't know what hit them. pove4e info na adresa gore... za tova koi sa RIAA i MPAA --> google.com Link to comment Share on other sites More sharing options...
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